Cooks Innovations SimmerMat Heat Diffuser, Simmer Ring, and Flame Tamer for All Stove Types 1-Pack SAFE & EASY - The SimmerMat is a heat diffuser used for low heat settings; providing perfect heat control for slow cooking without the worry and frustration of ruining your culinary creations. Ideal for soups and casseroles, rice and oatmeal, milk desserts and sauces, chutney and melting chocolate and toffee. COOK EVENLY - Hot spots are eliminated so food will not stick, scorch or burn. EASY CLEAN  The SimmerMat is made of Dishwasher safe, high quality zero carbon steel. VERSITILE - The SimmerMat can be used on all cooking surfaces including electric coil, gas burner, glass cook tops, induction cook tops, halogen, barbeque, camping or marine stoves. COMPATIBILITY - If you have an induction stove top, the SimmerMat allows you to cook on a low setting with glass and clay cookware.