TeChef Cookware Tempered Glass Lid (12-Inch) Designed for all 12-Inch diameter TeChef Nonstick cookware pots and pans Lid and knob are oven safe to 400 degrees Fahrenheit Tempered glass is dishwasher-safe A steam-release vent for overflow protection See-through lids let you see cooking progress without losing moisture and nutrients NOTE: This TECHEF glass lid is designed to fit only TECHEF products