UNBEATABLE ADVANTAGE: 1. Made from heavy duty PTFE, perfect thickness,thin enough to leave grill marks and flavor intact,yet thick enough to provide ultimate heat resistance and durability. 2. Eliminates flare, these mats can be used to grill ANYTHING because nothing will fall through the grates or get scorched. 3. Reversable and reusable, non-stick and dishwasher safe...use it OVER and OVER AGAIN. No more ruined dinners and clean-up is a breeze.