Our BBQ grill mat is made from 100% PFOA-free materials and premium PTFE-fiberglass coating, with no PFOA, silicone, or other dangerous chemicals! You can use it safely and without any harmful chemicals infiltrating your food, the grill mat makes barbecue, cooking, and baking easier! Do not place it directly on the charcoal. Lay the meat over the grill grates approx 7 inches from the burners. When the use time exceeds 30 minutes, the maximum temperature cannot exceed 260F; when used for a short time, the maximum temperature cannot exceed 500F. Avoid scratching the mat with sharp or metal tools, cool it before cleaning the mat, and dry it with a soft cloth.