BBQ grill mat is a big rectangle of black PTFE fabric, but think of them as nonstick pans that you can roll up and can even cut into different sizes. Treat them with the same care that you would an expensive Teflon pan. But keep in mind, they definitely have some advantages over traditional nonstick cookware in that both sides are equally usable. BBQ GRILL MAT WILL PROTECT YOUR GRILL , stop food from falling through the grates, and eliminate that nasty job of cleaning the barbecue - just toss the BBQ grill mats in the dishwasher and they come out ready for the next use! You can grill anything on these BBQ grill mats: eggs, pancakes, fish, hash browns, bacon, veggies, you name it. What used to be impossible can now be done with ease! A barbecue grill mat improves your grilling results with more moist, better tasting food - the best barbecue grill accessory ever invented. HOW THEY WORK :The barbecue grill mats rapidly absorb heat and distribute it across the surface of the mats. This quickly creates a perfectly even cooking surface. In this respect they are even better than non-stick pans.That's why you will get good results on medium heat. The foods don't overcook or cook too quickly and you will maximize the flavor in your food. OTHER USES FOR BARBECUE GRILL MATS: Here are a few of the ways I have used the grill mats, along with a couple of suggestions I gotten from satisfied customers. Once you start using these grilling mats, you will start thinking of all sorts of great BBQ ideas yourself. .Oven liner - eliminates having to clean the oven. .Stovetop liner for individual burners -catches drips and cleans easily .Pan liner for glass, stainless, cast iron, Pyrex or any other type of pan -simplify cleanup .Cookie sheet liner