Brentwood Home 4-Inch Gel Memory Foam Orthopedic Pet Bed, 100% Made in USA, Waterproof, CertiPUR-US 2-inch gel memory foam layer stays cool while relieving body aches, joint pain, hip dysplasia and arthritis 2-inch therapeutic base foam provides orthopedic support 100-Percent Waterproof liner protects against accidents, dirt and liquids Soft microfiber cover is removable and machine washable Resistant to mold, bacteria and dust mites. 3 Year Warranty