Foil Oven Liner 18.5 X 15.5 Inch Set of 10 UNIVERSAL FOIL OVEN LINER: An ultimate pack of 10 foil oven liners designed so you can keep your oven clean. You can use it to roast, bake, reheat, and serve. TOP GRADE MATERIAL: Our foil oven liner is made of highest grade aluminum that can catch grease, overflow and drippings. The liner is OU marked and totally safe. TOP GRADE MATERIAL: Our foil oven liner is made of highest grade aluminum that can catch grease, overflow and drippings. The liner is OU marked and totally safe. FITS ALL OVENS: Whether is gas or electric, this foil liner is designed to fit all types of ovens. CONVENIENT AND DURABLE: The foil liner can last a very long time since it is rust-proof and fire-proof. It is extremely flexible and easy to insert.