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 2 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 2 comes in compact size and fits easily in Backpack, School Bag & Office Bag