Luxury Memory Foam Dog Crate Pad with Suede Microfiber Cover Size: Small (33"L x 20" W x 2.5" H) Patented Sleep System includes: Quality Non-toxic Memory Foam with Supporting Foam and Protective Liner. Durable, cozy washable outer microfiber cover Memory foam eliminates all painful pressure points - perfect for dogs with arthritis, hip, bone, or joint problems Supporting foam prevents "bottoming out" of memory foam Protective liner - protects against liquids, stains, and odors Durable, cozy washable cover fabrics. Extra long zipper makes getting cover on/off for washing an easy task.