Made from high quality material - These burner covers are made from a fiber optic PTEE, a non-toxic, Teflon-coated material that completely protects the oven from drips and spills NON-TOXIC AND SAFE - BPA-free, 100% satisfactory, reusable, PFOA-free, also safe to use in the dishwasher. Gas stove burner covers are non-toxic and safe with an anti-corrosion function. Personalize your oven: the thickness of the burner lid is 27 x 27 cm. The pre-cut inner ring is easy to cut to fit different sized roofs. Non-stick boiler burner gas stove covers are reusable. Easy to clean and use: the burner cover is reusable. Do not slip through the cover when the surface is dirty. It's completely reusable on both sides and can also be easily removed and washed with hot, soapy water! Or just toss the dirty gas hob covers in the dishwasher and replace with a new one. Heat Resistant: Our gas cooker guards are heat resistant up to 500 F and will not melt or burn. Stove Guard The stove guard is a handy tool for keeping your stove clean and reducing the time it takes to clean the kitchen. (Please note that these lids are NOT FIRE RESISTANT and that the flame will be burned in the mist of the stove if you touch them.) Specification Material: PTFE,coated fiberglass fabric. Color: black Product size: 27 x 27 cm. Thickness: 0.20mm Package content: 8 pieces of stove burner covers.