... type or brand of cookware or container, meaning any bowl or container can be used for food storage. Lid creates an airtight, watertight ... and entertaining.Seals Tight on all smooth rims: stainless steel, glass, plastic, and melamine.Prevents Spills: The Lid creates an air ... guard.3, Very ideal on plastic, stainless steel, ceramic and glass , typically convenient built in handle. 4, Cold and heat ...