Stainless Steel With Lid and Silicone Seal, Stainless Steel Special Airtight Containers which Uses Silicon which keeps food items fresh longer and has all 4 Sides Locks to prevent Spills.deal to carry meals / fruits or any food items to work, travel, School, College outing,hiking etc.100% leak proof containers for keeping food from spilling, stackable design for easily storing the containers on top of each other and the pioneering clip mechanism. Airtight + leak proof steel containers you can carry all types of food including curries, rice, sabzi, daal, cut vegetables and fruits and more. These containers are made from high quality nonmagnetic stainless steel body and Stainless Steel Tumbler set of 2 with Transparent Plastic Lid fixed with a silicon gasket. Stainless steel is lauded for its durability and is also one of the safest materials used in the kitchen. These tumbler set of 2 is therefore safe, sturdy and efficient at storing your beverages for longer periods of time. These tumblers are perfect for carrying liquids like mineral water, juice, coconut water, tea, coffee and cold drinks while travelling. As these tumblers are airtight, they do not allow the liquid contents to seep out and ruin other items in your bag. The wide mouth design allows you to clean them efficiently to maintain hygiene.