10-1/4" Glass Cover, Tempered Safety Glass, With Stainless Steel Protective Rim, Silicone Knob, Oven Safe To 400 Degrees.Specifications and Features: 10.25 INCH GLASS LID. This 10.25-inch tempered glass lid fits Lodge s 10.25 Inch Cast Iron Skillets, Deep Skillets, and their 5 Quart Dutch Oven. It offers an ergonomic design and easy-hold handle for maneuverability around the kitchen. STURDY TEMPERED GLASS. Safer than normal glass, this tempered glass lid allows you to keep an eye on your cooking. With thermal shock resistant technology, there s no fear of shattering, and the ultra-durable design increases performance level. DISHWASHER & OVEN SAFE. Make clean up and cooking a breeze with this Lodge Lid. It s dishwasher safe and can withstand temperatures in the oven up to 400 F, allowing you the freedom, flexibility, and efficiency that your recipes call for.