100% Non-Stick- Made from PTFE coated fiberglass fabric. Won't burn or shrink. You can grill without grease and the mats are reusable for years. The non-stick baking mat prevents even the smallest pieces from falling through the grate. Keep your barbecue neat and clean. Easy to Clean- Special non-toxic materials make cooking easier and completely prevent the dirty grill from being cleaned. These baking mats are safe to use on the top shelf of your dishwasher. They are easy to clean. Maximum temperature of 500C - These barbecue mats are made of heat-resistant, technologically advanced materials similar to a plastic mat, they do not burn when cooking (make sure rugs measure at least 5 inches from open flames, as direct contact with flames could damage your rug). These grill mats are heat resistant up to 260C. Perfect Grill Mat- Perfect for any grill including gas, charcoal, propane gas, barbecue grill. electric barbecue, fire pits, oven or smoker. They can also be cut perfectly to your grill or oven. Note- Our smoker grill mats are made from 100% PFOA-free materials and PTFE fiberglass coating. high quality, free of PFOA, silicone or other dangerous chemicals.