6 Perforated Aluminum Foil Sheets. 12 in x 18 in. Perforated; Extra heavy duty. Reynolds Wrap Release Non-Stick Grill Foil makes grilling easier than ever. No need for messy sprays - your food won't stick to Release Foil; Keeps your grill cleaner - it's so easy to use; Prevents delicate foods from falling through the grill rack; Allows full grilled flavor to come through while fats drain away from food for healthier cooking.