100% Non-Stick - Made from PTFE coated glass fiber fabric. Will not burn or shrink. You can grill without grease and mats are reusable for years. Non-stick grill mat prevents even the smallest chunks from falling through the grate. Keep your grill cleaner from your dirty grill! Easy to Clean - Special non-toxic materials makes grilling easier and stops dirty grill cleaning completely! These grill mats can be safely used on the top shelf of your dishwasher. They are easy to clean. 500 Peak Temperature - These grill mats are made from heat resistant, technologically advanced materials similar to a plastic matthey do not burn when grillingEnsure that mats are at least 5 inches from open flames as direct contact with flames will cause damage to your mat. These barbecue smoker mats are heat resistant up to 260500. Perfect Grill Mat - Perfect for any barbecue, including gas, charcoal, propane gas, electric grill, fire pits, oven or smoker. They can also be cut perfectly to your grill or oven.