Woll Tempered Glass with Stainless Steel Rim and Vented Knob Round Lid, 10-1/4", Clear Round tempered glass lid for cookware; 10 1/4-inch diameter Made of light and break-resistant tempered glass Stainless steel rim for durability Permanent steam vent and vented knob on top of lid Oven safe to 500 Degree; dishwasher safe