SKK Multipurpose 7.0" Glass Lid For Pans Dome is constructed of glass with a stainless steel rim and a resin knob, making this lid a long-lasting kitchen essential Knob is ergonomically designed for easy handling and provides a secure grip during transportation Clear lid provides visibility of food or sauces within pan, making it easier to know when your dish is finished Lids are compatible with all SKK pans including sauce pans, saute pans, and frying pans Can withstand high temperatures up to 500 degrees Fahrenheit without warping