The Red Hound Auto Metal Replacement Tray is made of heavy gauge stainless steel that is naturally rust and weather resistant. It is designed to be used in place of a standard plastic or metal crate pan. This tray features a unique patent pending FLAT-A-WAY design that makes it easy to insert and remove from a crate without damaging the crate liner. The Red Hound Auto Metal Replacement Tray is perfect for use in most slide-out style crates.