Air Tight Lids - Rainbergs food storage containers with lids is airtight keeps your food fresh and also prevents it from getting spilled. this fridge organisers is tight-fitting containers lock the freshness, flavours and aroma of your food. oxygen is one of the main culprits in causing food to go bad, so by sealing it off with an airtight lid, you can extend the life of your food significantly. it doesn't only save space but also makes your kitchen look more organized. A Safe Option - 100% BPA- Free plastic. these food containers for food are microwave, dishwasher & freezer safe. won`t leach chemicals into your food. it is more durable than the normal version and lightweight than glass. our food boxes with lids are designed for longer durability and easy to clean. Space-Saving Design - It doesn't only save space but also makes your kitchen look more organized. this lunch boxes are stackable and will easily fit into your refrigerator and freezer. this airtight containers can handle extreme temperatures, allowing you to safely use them in the microwave, freezer, and dishwasher (lid not included). Leakproof and Other Benefits- Our air tight food storage boxes are designed with 4 sides snap lock which makes them wholly airtight and easily to transport foods that you previously couldn`t like sauces and soups. the nestable design of these airtight food storage container is perfect for preserving meats, veggies and fruit without cluttering the fridge. Variety With More Capacity- (Set of 20 Pieces) Perfect sized food storage boxes includes 10 containers & 10 lids of varied sizes. the set included 2 containers with a capacity of 3500ml. 2 containers of 2400ml capacity. 2 containers of 1280ml capacity. 2 containers of 750ml capacity. 2 containers of 320ml capacity., Weight: 3.30693393 pounds, Manufacturer: Rainberg