If you’re looking for the best food storage containers with locking lids, I highly recommend options like Rubbermaid Brilliance, Snapware Total Solution, and Joseph Joseph Nest Lock sets. These containers are made from durable, BPA-free plastics or glass, and feature airtight, leakproof lids with secure latches that keep food fresh and prevent spills. They come in various sizes and designs, perfect for meal prep, leftovers, and on-the-go use. Keep exploring to discover more top choices and find the perfect fit for your needs.
Key Takeaways
- Look for containers with airtight silicone seals and secure locking clips to ensure leakproof and freshness-preserving storage.
- Choose durable, BPA-free plastic or borosilicate glass options for safety, longevity, and resistance to stains and odors.
- Opt for stackable and transparent designs to maximize space efficiency and easily identify contents.
- Ensure containers have built-in vents or easy-access clips for microwave reheating without removing lids.
- Select versatile sets with various sizes to accommodate leftovers, snacks, meal prep, and on-the-go needs.
Rubbermaid Brilliance Food Storage Containers Set of 5

If you’re looking for a reliable set of food storage containers that keep your meals secure and fresh, the Rubbermaid Brilliance Food Storage Containers Set of 5 is an excellent choice. These containers feature leak-proof, secure lids with latches that prevent spills and messes. Built from crystal-clear, stain- and odor-resistant Tritan material, they’re lightweight yet durable enough for daily use. The set includes five 3.2-cup containers with matching lids, perfect for leftovers or meal prep. Plus, they’re BPA-free and microwave, dishwasher, and freezer safe. The stackable design helps organize your fridge or pantry, saving space and reducing clutter effortlessly.
Best For: those seeking durable, leak-proof food storage solutions for meal prep, leftovers, or on-the-go use.
Pros:
- Leak-proof lids with secure latches prevent spills and messes.
- Made from stain- and odor-resistant Tritan material, ensuring clarity and durability.
- Stackable design maximizes storage space and keeps fridge or pantry organized.
Cons:
- Limited to 3.2-cup sizes, which may not suit all storage needs.
- Lids can be tight to open initially, requiring some effort.
- Not suitable for oven use, only microwave, dishwasher, and freezer.
Snapware Total Solution 3-Pack Food Storage Containers

The Snapware Total Solution 3-Pack Food Storage Containers are perfect for anyone who wants reliable, airtight storage for leftovers, meal prep, or on-the-go meals. These 8.5-cup rectangular containers come with secure lids featuring four locking tabs, ensuring a leak-proof seal. Made from lightweight, BPA-free plastic, they resist stains, odors, and flavors, keeping food fresh. They’re microwave, dishwasher, and freezer safe, offering versatile convenience. Plus, their stackable design saves space, and the built-in Write + Erase labels make organization simple. Trusted for their durable locking lids, Snapware makes food storage easy, secure, and clutter-free.
Best For: those seeking reliable, space-saving, and versatile food storage solutions for meal prep, leftovers, or on-the-go meals.
Pros:
- Airtight, leak-proof lids with four locking tabs ensure secure storage.
- Made from durable, BPA-Free plastic that resists stains, odors, and flavors.
- Stackable design with built-in Write + Erase labels enhances organization and space efficiency.
Cons:
- Plastic containers may stain or retain odors over extended use if not properly cleaned.
- The 8.5-cup size may be too large for small portions or snacks.
- Limited to three containers per pack, which might require purchasing multiple sets for larger needs.
HOMBERKING Food Storage Containers Set with Snap Lids (40 Pieces)

Designed for busy households and meal preppers, the HOMBERKING 40-piece food storage set offers a versatile solution for organizing leftovers, snacks, and on-the-go meals. It includes 20 containers in three shapes—rectangular, square, and round—ranging from 6.1oz to 51oz, perfect for various needs. Made of BPA-free, durable plastic with leak-proof silicone seals, these containers are microwave, dishwasher, and fridge safe. Their stackable, nesting design saves space, while transparent material makes content identification easy. Whether for meal prep, picnics, or daily use, this set keeps your food fresh, secure, and well-organized.
Best For: busy households, meal preppers, and individuals seeking versatile, space-saving food storage solutions.
Pros:
- Made of BPA-free, durable plastic safe for microwave, dishwasher, and fridge use.
- Features leak-proof silicone seals and snap lids for secure storage.
- Stackable and nesting design maximizes space efficiency and easy organization.
Cons:
- Lids may require proper alignment to ensure leak-proof performance.
- Not all containers are microwave-safe with lids on, limiting heating options.
- The set may be heavier than similar plastic containers due to its durable construction.
Joseph Joseph Nest Lock Food Storage Container Set (10-Piece, Multi-Color)

For anyone seeking an organized and space-efficient way to store their food, the Joseph Joseph Nest Lock Food Storage Container Set is an excellent choice. This 10-piece set features BPA-free, multi-colored containers with lockable, airtight, leakproof lids, perfect for keeping food fresh and secure. The innovative nesting design allows the containers and lids to fit together neatly, saving space in your fridge or pantry. With sizes ranging from 8 oz to over a gallon, you get versatile options for different foods. Plus, all containers are freezer and microwave safe, making meal prep and storage effortless and safe.
Best For: those seeking an organized, space-saving, and versatile food storage solution for their pantry or fridge.
Pros:
- Innovative nesting design maximizes space efficiency in storage areas
- Lockable, airtight, leakproof lids keep food fresh and secure
- BPA-free, microwave and freezer safe, suitable for various storage needs
Cons:
- The set may be bulky when fully nested and stored
- Limited size options might not cover all specific storage requirements
- Color coding may require memory or labeling for quick identification
60 PCS Food Storage Containers with Lids (30 Lids & 30 Containers), Airtight, Leak Proof Set

If you’re looking for a reliable set of food storage containers that can handle a variety of kitchen needs, this PCS set with 30 lids and 30 containers is an excellent choice. It offers a wide range of sizes, from small to large, perfect for everything from snacks to bulk storage. Made of high-quality, BPA-free plastic, these containers are lightweight, durable, and transparent for easy identification. The airtight silicone seals and four side latches ensure leak-proof storage, while nesting design saves space. Dishwasher, microwave (without lids), and freezer safe, making them versatile and convenient for daily use.
Best For: households, meal preppers, and anyone needing versatile, space-saving food storage solutions.
Pros:
- Comes with a wide variety of sizes to meet diverse storage needs
- Made of high-quality, BPA-free, food-grade plastic that is durable and lightweight
- Airtight silicone seals and latches prevent leaks and keep food fresh
Cons:
- Lids and containers may be bulky for small storage spaces
- Not microwave-safe with lids on, requiring removal during heating
- The set may be heavier than plastic containers of similar size due to sturdy construction
Rubbermaid Brilliance Food Storage Containers, Set of 5 (10 Pieces)

The Rubbermaid Brilliance Food Storage Containers set is an excellent choice for anyone who values durability and clarity in their food storage. Made from BPA-free Tritan plastic, these containers are crystal clear, so you can easily see what’s inside. They feature built-in vents under the latches, making microwave reheating splatter-resistant with lids on. Stain- and odor-resistant, they stay looking like new over time. The set includes various sizes—two 1.3-cup, two 3.2-cup, and one 9.6-cup containers—perfect for leftovers, meal prep, or picnics. They stack easily to save space and are safe for dishwasher, microwave, and freezer use. Plus, they come with a lifetime warranty.
Best For: those seeking durable, versatile, and space-efficient food storage solutions for daily use, meal prep, or picnics.
Pros:
- Made from BPA-free Tritan plastic, ensuring safety and clarity.
- Built-in vents allow splatter-resistant microwaving with lids on.
- Stackable design maximizes storage space and keeps food organized.
Cons:
- May be relatively more expensive than basic plastic containers.
- Limited to five containers, which might not meet larger storage needs.
- Lids and containers require careful handling to maintain the leak-proof seal.
40 pcs Food Storage Containers with Lids, Airtight, Leakproof, Microwave Safe, Stackable Meal Prep Organizers

These 40 pcs food storage containers are perfect for anyone seeking a reliable, space-saving solution to organize leftovers, snacks, or meal prep items. Made of BPA-free, food-grade polypropylene, they’re safe and reusable. The clear design makes it easy to identify contents at a glance. With various sizes, including square, rectangular, and round, they suit all storage needs. Their stackable and nesting features maximize fridge and pantry space. Airtight silicone seals and reinforced locking clips keep food fresh and leakproof, while microwave and dishwasher safety add convenience. Overall, these containers are ideal for everyday use, meal prep, and on-the-go storage.
Best For: those seeking a versatile, space-efficient, and reliable food storage solution for meal prep, leftovers, and on-the-go meals.
Pros:
- Made of BPA-free, food-grade polypropylene ensuring safety and reusability
- Airtight silicone seals and reinforced clips keep food fresh and leakproof
- Stackable and nesting design maximizes space in fridge and pantry
Cons:
- Lid removal is necessary for microwave heating, which may be inconvenient for some users
- The set may be heavy for carrying multiple containers at once
- Some users might find the variety of sizes overwhelming or difficult to organize
YORY 3 Pack Plastic Food Storage Containers with Lids

Designed for busy households and meal preppers, the YORY 3 Pack Plastic Food Storage Containers with Lids offer a reliable solution for keeping food fresh and organized. Made from BPA-free, extra-thick plastic, these containers are non-toxic, odorless, and safe for all types of food storage. Their stackable design maximizes space, while the snap-lock lids create an airtight, leak-proof seal that preserves freshness and prevents spills. Suitable for microwave, refrigerator, freezer, and dishwasher use, they’re versatile and durable. With positive reviews and a high rating, these containers are a practical choice for meal prep, leftovers, and on-the-go meals, making your kitchen more efficient.
Best For: busy households, meal preppers, and anyone seeking reliable, space-saving food storage solutions.
Pros:
- Made from BPA-free, non-toxic, odorless plastic ensuring food safety and durability
- Airtight, leak-proof snap-lock lids keep food fresh and prevent spills during transport
- Stackable and nestable design optimizes kitchen storage and organization
Cons:
- Limited to a 3-cup (2.7-quart) capacity, which may not suit larger portion needs
- Plastic material, though durable, may stain or retain odors over time with certain foods
- Not specified if lids are universally compatible with other containers, potentially limiting versatility
Magic Mill Borosilicate Glass Food Storage Containers (24pc Set)

If you’re looking for a durable and versatile food storage solution, the Magic Mill Borosilicate Glass Food Storage Containers set is an excellent choice. This 24-piece set includes various shapes and sizes—rectangular, square, and round—to suit all your storage needs. Made from high-quality borosilicate glass, they’re built to last, microwave, oven, freezer, and dishwasher safe. The airtight snap-lock lids with silicone seals keep your food fresh and leak-proof. I love that these containers are BPA-free, food-grade, and promote a sustainable lifestyle by replacing plastic. They’re perfect for meal prep, storing liquids, and reheating, making them a practical addition to any kitchen.
Best For: individuals seeking durable, versatile, and eco-friendly food storage solutions suitable for meal prep, reheating, and long-term storage.
Pros:
- Made from high-quality borosilicate glass for durability and safety.
- Airtight snap-lock lids with silicone seals keep food fresh and leak-proof.
- Microwave, oven, freezer, and dishwasher safe, offering convenience and versatility.
Cons:
- Slightly heavier than plastic containers, which may be less convenient for portability.
- Higher upfront cost compared to traditional plastic storage options.
- Limited color or design options, as containers are primarily transparent and utilitarian.
Snapware 5-Pack Plastic Food Storage Containers Set

The Snapware 5-Pack Plastic Food Storage Containers Set is perfect for anyone who needs reliable, versatile containers for daily meal prep and leftovers. These five 3-cup rectangular containers come with airtight, leak-proof lids featuring four locking tabs, ensuring your food stays fresh and secure. Made from lightweight, BPA-free plastic, they’re safe for microwave, dishwasher, and freezer use. The built-in write-and-erase labels help with organization, making it easy to identify contents at a glance. Designed to resist stains, odors, and flavors, these containers simplify food storage at home, work, or school, providing a dependable solution to keep your meals fresh and well-organized.
Best For: those seeking reliable, versatile food storage containers for meal prepping, leftovers, and organized food management at home, work, or school.
Pros:
- Airtight, leak-proof lids with four locking tabs ensure food stays fresh and secure.
- Made from lightweight, BPA-free plastic safe for microwave, dishwasher, and freezer use.
- Includes built-in write-and-erase labels for easy identification and organization.
Cons:
- Limited to 3-cup size, which may not suit all portion needs.
- Plastic containers can stain or retain odors over time if not properly cleaned.
- The set includes only five containers, which might require additional sets for larger families or frequent meal prep.
60 PCS Food Storage Containers with Lids

With 60 pieces—including a variety of rectangular, square, and small round containers—these PCS Food Storage Containers with Lids are perfect for anyone who needs versatile, space-efficient solutions for organizing their food. They offer a wide range of sizes, from small 1 oz containers to large 85 oz ones, making them ideal for meal prep, leftovers, or snacks. The airtight silicone seals and sturdy buckles keep food fresh and prevent leaks. Made from BPA-free, food-grade plastic, they’re microwave, dishwasher, and freezer safe (lids excluded from microwave use). Their stackable design helps maximize storage space, keeping your fridge tidy and organized.
Best For: those seeking a comprehensive, space-efficient food storage solution for meal prep, organization, and on-the-go use.
Pros:
- Includes a wide variety of sizes to meet different storage needs
- Airtight silicone seals and sturdy buckles ensure leak-proof freshness
- Made from BPA-free, food-grade plastic safe for microwave, dishwasher, and freezer use
Cons:
- Lids are not microwave safe, limiting reheating options directly in containers
- Slightly whitish transparent material may reduce visibility of food contents slightly
- Larger sets can take up considerable space when fully nested or stacked
10-Pack Glass Meal Prep Containers with Lids

When packing glass meal prep containers with lids, I prioritize ensuring each one is sealed tight to keep my food fresh and prevent leaks. I love the 10-pack set, which includes five 34oz and five 13oz containers made from durable borosilicate glass. Their airtight snap lock lids with silicone seals make sure nothing spills, even when I toss them in my bag. The containers are microwave, oven, freezer, and dishwasher safe, so I can prep, store, and reheat with ease. Plus, their stackable design keeps my kitchen organized and my countertops clutter-free. These containers give me confidence my meals stay fresh and secure.
Best For: those who need durable, versatile, and organized meal prep solutions for storing, reheating, and transporting food securely.
Pros:
- Made from high-quality borosilicate glass, offering excellent durability and heat resistance.
- Airtight snap lock lids with silicone seals prevent leaks and keep food fresh.
- Suitable for microwave, oven, freezer, and dishwasher use, making meal prep and cleanup effortless.
Cons:
- Plastic lids are not microwave or oven safe, which may require removal before heating.
- Heavier than plastic containers, which could be a consideration for portability.
- The set’s size and weight may take up more storage space in small kitchens.
52 PCS Food Storage Containers with Lids Airtight (26 Lids & 26 Containers)

If you’re looking for a versatile and space-saving food storage solution, these PCS Airtight Containers with Lids are perfect. Made from upgraded, BPA-free food-grade plastic, they’re safe for microwave (without lids), freezer, and dishwasher use. The set includes 26 containers—rectangular, round, and small sauce cups—ideal for meal prep, leftovers, and storing liquids or snacks. Their stackable, nestable design maximizes space in your pantry or fridge. The high-quality silicone seal with four locking clips guarantees airtight, leak-proof storage, keeping your food fresh and spill-free. Lightweight and durable, these containers are perfect for everyday use, outdoor activities, or packing meals on the go.
Best For: those seeking a comprehensive, space-efficient, and safe food storage solution suitable for everyday use, meal prep, and outdoor activities.
Pros:
- Made from BPA-free, food-grade plastic, ensuring safety and health compliance.
- Airtight and leakproof with silicone seals and locking clips, ideal for liquids and preventing spills.
- Stackable and nestable design maximizes storage space and keeps kitchen organized.
Cons:
- Plastic containers may stain or retain odors over time with certain foods.
- Lids and seals require regular cleaning to maintain airtight performance.
- Not suitable for oven use; microwave use is only without lids, limiting some reheating options.
Rubbermaid 16-Piece BPA-Free Plastic Food Storage Set

The Rubbermaid 16-Piece BPA-Free Plastic Food Storage Set is an excellent choice for anyone looking to organize their kitchen efficiently and safely. I love how the set includes four 3-cup and four 5-cup containers with matching lids, making meal prep and leftovers simple. The Easy Find Vented Lids snap securely onto the containers, ensuring everything stays in place and clutter is minimized. Made from durable, non-toxic plastic, these containers are freezer, microwave, and dishwasher safe, offering convenience and long-lasting use. Plus, the built-in vents help reduce splatters during microwave heating, keeping my kitchen clean and food fresh.
Best For: those seeking a durable, versatile, and organized food storage solution for meal prep, leftovers, and kitchen organization.
Pros:
- Includes a variety of container sizes with matching lids for easy stacking and organization
- Made from BPA-free, non-toxic plastic safe for freezer, microwave, and dishwasher use
- Built-in vented lids reduce splatters during microwave heating and promote mess-free use
Cons:
- Plastic containers may stain or retain odors over time with certain foods
- Lids can be tight to snap on, requiring effort to secure properly
- Limited to 16 pieces, which may not be sufficient for larger families or extensive meal prep
40 PCS Airtight Food Storage Containers with Lids

For anyone looking to organize their kitchen efficiently, the PCS Airtight Food Storage Containers with Lids offer a versatile solution. This 40-piece set includes various shapes and sizes, from rectangular and round containers to small sauce cups, making it perfect for meal prep, snacks, or leftovers. Made from BPA-free, food-grade materials, they’re microwave, dishwasher, and freezer safe. The ergonomic locking lids with silicone seals ensure leakproof freshness, while non-slip bottoms and stackability save space. Lightweight and portable, these containers are ideal for indoor and outdoor use, helping you keep food fresh, organized, and secure with ease.
Best For: individuals and families seeking versatile, space-saving, and reliable food storage solutions for meal prep, leftovers, and outdoor activities.
Pros:
- Airtight silicone seals keep food fresh and prevent leaks, ideal for liquids and snacks.
- Various shapes and sizes accommodate diverse storage needs and maximize space efficiency.
- Made from BPA-free, food-grade materials, ensuring safety and durability for microwave, dishwasher, and freezer use.
Cons:
- Lids and containers may require careful handling to ensure the ergonomic lock mechanisms stay secure.
- Slightly lighter than glass, which might be less durable for rough handling or drops.
- The set’s large number of pieces may be overwhelming for users with limited storage space or simple needs.
Factors to Consider When Choosing Food Storage Containers With Locking Lids

When choosing food storage containers with locking lids, I consider how well the seal prevents leaks, ensuring my food stays fresh. I also look at the safety of the materials, making sure they’re BPA-free and durable. Finally, I prioritize size options and space efficiency to keep my pantry organized and convenient for everyday use.
Seal Effectiveness
Choosing food storage containers with locking lids means paying close attention to how well they seal. An effective seal prevents leaks and spills, keeping your food secure during transport and storage. Look for containers with silicone or rubber gaskets in the lid, as they enhance airtightness and help maintain freshness while blocking odors. Four-sided locking mechanisms offer a more secure seal than two-latch designs, reducing the chance of accidental openings. It’s also important to contemplate how the seal performs with temperature changes, especially if you plan to use the container in the freezer, microwave, or hot environments. Regularly inspecting the lid seals for wear or damage ensures they continue to keep your food fresh and leak-proof over time. A reliable seal truly makes all the difference.
Material Safety
Selecting food storage containers with locking lids requires careful attention to material safety to guarantee your food remains healthy and free from harmful chemicals. I always look for BPA-free, food-grade materials to prevent leaching of toxins into my food. Durable, heat-resistant plastics or borosilicate glass are my go-to choices because they can handle microwave, oven, and freezer use safely. I also check that the silicone gaskets and locking clips are non-toxic and free from harmful substances like phthalates and lead. Additionally, I prefer containers that resist stains and odors, helping me maintain hygiene and preserve fresh flavors over time. Ensuring all parts meet safety standards gives me peace of mind that my food stays safe and uncontaminated.
Size Versatility
Having a variety of sizes in your food storage containers with locking lids is essential for managing different types of food and meal prep needs. Different foods require different volumes, from small snack portions to large leftovers or meal prep batches. A set with multiple sizes allows me to store liquids, solids, and everything in between, offering maximum versatility. It also helps me keep my fridge and cabinets organized by enabling efficient stacking and space utilization. Plus, having adjustable or expandable containers gives me flexibility as my storage needs change over time. Whether I’m portioning out snacks, prepping meals, or storing leftovers, a range of sizes ensures I always have the right container for the task at hand.
Space Efficiency
Maximizing space efficiency with food storage containers involves considering their design features to make the most of limited storage areas. Stackable containers are ideal because they maximize vertical space, helping organize shelves or fridges neatly. Nesting designs are a game-changer—these containers fit inside each other when not in use, reducing clutter. Slim, rectangular shapes are especially effective, as they fit snugly alongside other containers and appliances. Clear, transparent containers allow quick content identification, minimizing the need to open multiple jars and saving space. Additionally, containers with space-efficient lids that latch securely without protruding too much contribute to a more compact, organized setup. Choosing these features helps optimize storage and keeps your kitchen tidy and accessible.
Ease of Use
When choosing food storage containers, ease of use becomes a key factor to contemplate, especially when locking lids are involved. I look for containers with intuitive locking mechanisms that are simple to operate, requiring minimal effort to secure and release. Clear, well-marked latches or clips help ensure a secure seal without complex steps or excessive force. Ergonomic grips or tabs on lids make opening and closing effortless, which is especially helpful if you have limited hand strength. I also prefer containers with a smooth lid-to-base connection, allowing for quick sealing without misalignment or fuss. Features like built-in vents or easy-access locking clips make microwave reheating and lid removal more straightforward, saving time and reducing frustration.
Durability Factors
Durability is a critical factor when selecting food storage containers with locking lids, as it directly impacts their longevity and reliability. I look for containers made from high-quality materials like BPA-free plastic or borosilicate glass, which resist cracking and breaking over time. Reinforced locking mechanisms and silicone seals are essential to prevent leaks, even during prolonged storage or transport. Sturdy construction features, such as non-slip bases and reinforced edges, help avoid warping and accidental drops. I also consider abrasion- and stain-resistant surfaces to guarantee the containers maintain their appearance after repeated use and cleaning. Properly designed lids with multiple secure latches and seals are indispensable for long-lasting airtight performance, preventing wear and tear that could compromise their function over time.
Frequently Asked Questions
Are These Containers Dishwasher Safe and Easy to Clean?
Yes, most of these containers are dishwasher safe and easy to clean. I love how they go right in the dishwasher without any hassle, saving me time and effort. The smooth surfaces and sturdy lids make wiping them down a breeze if I prefer hand washing. Overall, they’re designed for convenience, so I never worry about difficult cleaning — just pop them in and they come out spotless.
Do Locking Lids Prevent Odors From Escaping?
Locking lids definitely help prevent odors from escaping, but they aren’t foolproof. I’ve found that tight seals considerably reduce smell leakage, keeping my fridge fresh. However, strong or pungent foods might still seep through tiny gaps if the lid isn’t perfectly sealed. So, while locking lids are excellent for odor control, I still recommend cleaning containers regularly and ensuring they’re properly closed for the best odor prevention.
Are These Containers Suitable for Freezer Storage?
Yes, these containers are suitable for freezer storage. I’ve used them myself and found they hold up well in freezing temperatures without cracking or warping. Their locking lids create an airtight seal, preventing freezer burn and keeping food fresh longer. Just make sure to leave some space for expansion when freezing liquids, and they’ll serve you well for storing leftovers, bulk foods, or prepped ingredients in the freezer.
Can These Containers Withstand Microwave Heating Safely?
Yes, these containers are generally microwave-safe, but I always double-check the bottom labels before heating. I look for symbols indicating microwave compatibility and follow the manufacturer’s instructions. Using them properly, I make certain my food heats evenly, stays fresh, and remains secure. I prefer containers with venting lids to prevent splatters. By choosing wisely, I keep my food safe, fresh, and convenient, every time I need to reheat.
Do They Come With Warranty or Replacement Policies?
Yes, most of these containers come with warranties or replacement policies, giving you peace of mind. I always check the manufacturer’s details before purchasing to guarantee I can get a replacement if needed. It’s reassuring knowing that if a container breaks or the lid fails, I can easily replace it without hassle. Always read the specific warranty terms to understand what’s covered and how to make a claim.
Conclusion
Choosing the right food storage container with locking lids might seem overwhelming, but think of it like building a toolbox—you want durability, a tight seal, and variety. Imagine packed lunches staying fresh, spills prevented, and leftovers lasting longer. By selecting one of these top options, you’re investing in peace of mind and less waste. Trust me, once you see your food stay fresh and secure, you’ll wonder how you ever managed without these reliable containers.