High Quality Stainless Steel Leak Proof Containers. - Containers are stackable, air tight and freezer safe - food Grade Silicone Lip keeps food fresh for longer hours & prevents spillage - ECO Lunch Bag is made from Finest Quality of polyster Fabric to give elegant look and its also very durable. - The Bag is insulated to keep food warm for longer hours High Quality Zip for Smooth Functioning - Washable and Easy to clean Fabric - ECO bags comes in Stylish pattern and fits easily in Backpacks