Non stick PTFE grill liner.
Prevents mess in oven, great for the grill, easy cooking. Heat resistant. Can be cut any shape. Can be used when cooking, roasting, grilling, baking, frying. Allows you to cook directly on the grill with no messy cleanup.
The healthier cooking invention that simply works, cook your food in its own juices, ensuring the food is low in calories, and retains its vitamins.