Silicone Lid Feature 1.Unique silicone material and design makes a perfect air tight seal. 2.Easy lid can be used on stainless, ceramic, plastic and glass 3.Easy Lid can be used as a universal lid, trivet or splatter guard 4.Microwave, Dishwasherand oven safe ; Features easy view window Four different size: Diameter: 28.2cm 21.2cm 15.2cm 11cm