9.5", Black Silicone, Rimmed Glass Lid, Tempered Glass With Stainless Steel Knob & Silicone Edge, Fits Most 9.5" Diameter Cookware Pans, The Silicone Trim Proves A Tight Fitting Seal & Protects Edges Of Your Cookware From Getting Chipped Or Nicked, Also Includes Vent On 2 Sides To Let Out Steam, Inside Rim Dimensions 9.5" Outside Rim 10", Oven Safe 450 Degrees Fahrenheit.