Four Paws K-9 Keeper Sleeper Crate Pad-p Four Paws crates reduce housetraining time while giving pets a secure, comfortable place in which to grow Soft bed for the ultimate in canine comfort K-9 Sleepers are made of 100% acrylic fleece and a poly cotton backing for pets' complete relaxation Designed to fit Four Paws crates Available in 6 sizes: Toy, Extra Small, Small, Medium, Large, Extra Large