Home + Kitchen Silicone Suction Lid Rectangle 9 3/4 in X 13 1/2 in Silicone Suction Lid Rectangle 9 3/4 in X 13 1/2 in Suitable for use on all smooth surfaces: plastic, glass, stainless steel, melamine, and ceramic. Creates an airtight, watertight, and spill proof seal for reheating and storing. Creates an airtight, watertight, and spill proof seal for reheating and storing. FDA Food Grade Silicone - Microwave, oven, freezer, refrigerator, and dishwasher safe!