FurHaven NAP Pet Bed Memory Foam Top Orthopedic Mattress Deluxe Dog Bed, Water-Resistant Base Medical-grade orthopedic foam core relieves joint pain and promotes better circulation Memory foam contours to your pet's body for incredible comfort and support Zippered, removable cover for frequent washing to keep the bed looking and smelling fresh Laminated foam core is hand washable Jumbo; 35 x 44 x 4 Ensure you receive authentic, warrantied FurHaven products: purchase only ships from and sold by Amazon.com and Furhaven Pet