Charles VIANCIN Hibiscus Lid - X-Small (4"), Medium(9") & Large (11") Silicone Suction Lid & Food Cover (Set of 4) Seals Tight: on all smooth rims: stainless steel, glass, plastic, melamine Saves on plastic wrap: it can be reused and reused and reused Prevents Spills: the Hibiscus Lid creates an airtight, watertight seal for reheating and storing Set of 4 includes (1) Large (11"), (1) Medium (9"), and (2) x-small (4") lids ~ FDA Food Grade Silicone ~ Dishwasher Safe Charles VIANCIN Hibiscus Lid Small, Medium & Large Silicone Suction Lid & Food Cover (Set of 4)