Four Paws K9 Keeper Sleeper Bed Designed for comfort while your pet rests in their crate home. Comes in a beautiful sheepskin ivory color. Machine washable K-9 Sleeper Keepers are made of 100% acrylic fleece with a poly-cotton backing for your pets comfort. Fits in all Four Paws K-9 Sleeper Crates as well as all the competitive crates on the market.