Copper Grill Mat Set of 4-100% Non-stick BBQ Grill & Baking Mats - FDA-Approved, PFOA Free, Reusable and Easy to Clean - Works on Gas, Charcoal, Electric Grill and More Perfect Grill Mate NETCAT BBQ grill mats are made from 100% PFOA-Free materials and premium PTFE-Fiberglass coating, no PFOA, silicone or other dangerous chemicals! Certified as safe by the FDA approved and guaranteed by a lifetime warranty. Up to 500 Degrees Barbecue grill mats cannot be in contact with an open flame and need to be far enough above an open heat source that they arent exposed to temperatures above 500F. This is not a shortcoming of the product. Limit of 500F degrees as specified by the FDA for all nonstick cookware. Otherwise copper grill mats will disintegrate and burned out at higher temperatures (626F). Chef recommends barbecuing between 300F and 400F. Easy to Clean Always wash your mats immediately after use. Soak the mats in soapy water for a while or longer and then wipe them clean. Or put the mats in your dishwasher, on the top rack and run it on hot. Usually, that will remove any stubborn residues. NEVER to use any scratch pads or abrasive cleaners! Perfect Thickness Thicker does not mean better. We tested multiple thicknesses before developing our mats. Our BBQ grill mat is thin enough to leave grill marks and flavor intact, yet thick enough to provide ultimate heat resistance and durability. NETCAT non stick grill mats can be used over 100 uses per side. NETCAT GUARANTEE - Best value in bbq grill accessories! You may find other cheap and low quality imitators. But we GUARANTEE you that our mats are made from the best quality materials. If you are not 100% Satisfied, we are not satisfied! If after first use our mats don't EXCEED your expectations we will refund your money, NO QUESTIONS ASKED!