The Farberware BBQ Grill Liner 5-Piece set includes durable nonstick reusable mats in two sizes: 2 large (11x17 inches) and 3 small (8x14 inches). Its perforated design allows even heat flow while preventing small foods from falling through grill grates. Ideal for vegetables, seafood, and meats on gas or charcoal grills, it helps reduce mess and makes cleanup quick and easy after every use.