Microwave Safe Containers : Stainless Steel Air Tight Leak Spill Proof Lock in Square Lid Bowl/Box/Kitchen Food Storage Containers, Tiffin, Lunch Box, keep your food fresh and can handle the microwave, freezer, and dishwasher without staining, taking on odours, or experiencing damage. Lid Bowl/Box/Kitchen Food Storage Containers, Tiffin, Lunch Box Made from food-grade quality stainless steel and featuring air-tight plastic lids | Microwave Safe-Heat, Eat, Store, Repeat- The KITCHEN CLUE Microwave Safe Stainless Steel Air Tight Leak Spill Proof Lock Lid Bowl/Box/Kitchen Food Storage Containers, Tiffin, Lunch Box can withstand temperatures of up to 80°C and are extreme temperature resistant too. This means that you can put them from your freezer directly into the microwave and vice-versa, without worrying about them. | Freezer-Safe- The KITCHEN CLUE Microwave Safe Stainless Steel Air Tight Leak Spill Proof Lock Lid Bowl/Box/Kitchen Food Storage Containers, Tiffin, Lunch Box can must be freezer proof so that it will not crack or break when the content freezes. It must also have an airtight seal to prevent moisture loss and leakage, and to keep food from absorbing unwanted odors. Square or rectangular shaped rigid containers are better than round for using freezer space efficiently. | Leak Proof : One of the simplest ways to ensure that your food is to carry a reusable,leak-proof Food Storage Containers, Lunch Box with you wherever you go.Whether you’re looking for a food to carry to work, gym, school or a weekend camping trip, these spill-proof Food Storage Containers, Lunch Box have got you covered: | Food Grade Material- The KITCHEN CLUE Microwave Safe Stainless Steel Air Tight Leak Spill Proof Lock Lid Bowl/Box/Kitchen Food Storage Containers, Tiffin, Lunch Box made a food-grade nutrient would be made of food-grade plastic, meaning that it's safe for storing & cooking