Lekue Silicone Suction Lid, 4-Inch Suction lids hold in the heat, preserve food, protect from contamination Use as cook top in the oven; cover a fry pan on the stove Use as a splatter guard in the microwave Storage top in fridge or on counter Carrying cover for tailgates and transporting Made of 100% high-performance, food safe platinum silicone Forms a tight seal --will not retain odor or taste Fits multiple size pots, pans, bowls and servers Great as a splatter screen in oven or microwave Oven, microwave, freezer and dishwasher safe (-76 degrees Farenheit - 500 degrees Farenheit)