MATERIAL Stainless Steel I DIMENSIONS 11X11X5 CM I CAPACITY 350 ML I COLOR Red I PACKAGE CONTAINS Pack of 04 Premium Lunch Tiffin Container Box Microwave Safe Containers are Made From Heavy Guage Quality stainless steel And Plastic to add durability and endurance to the Lunch Box Containers Airtight LeakProof Lids All lids of the Lunch boxes are made of 100 foodgrade silicone that is BPAfree nontoxic and doesnt contain any chemical odors Containers Are Used For Microwave Reheating And For Storage Purposes It can be used as Lunch BoxFood Storage containerTo reheat the FoodStoring LeftoversBowls etc You can Store almost Anything like Pickles Chutney Curd Vegetable Curry Etc in them EASY TO OPEN AND CLOSE Silicone lids are soft so your kids can easily open these Additionally dont be concerned if you overfill the containers they are stretchy enough Dishwasher safe and easy to clean