The Expert Grill Disposable Grill Topper makes grilling foods like fish shrimp other seafood and vegetables easy and convenient. A sturdier replacement for foil these toppers keep food from falling through grill grates and keep your grill cleaner. The expanded openings allow heat and smoke to penetrate your food. Perfect to use when camping as well as tailgating and is 100% recyclable. Each pack contains three individual toppers that measure 16 x 12 . To use: place your food on the grill topper then place topper on grill after grill is pre-heated. Do not use at grill temperatures over 400 degrees over flames or open fire.