Dog Bed - Orthopedic Memory Foam Extra Large with Durable Waterproof Liner and Removable Designer Chocolate Brown Washable Cover. The Smokey Dog Co. Best Therapeutic Pet Beds for Big Breed Dogs Thick Xtra large modern dogbed size 40" x 35" x 4" with removeable zippered Microsuede cover with skid proof non slip bottom for at home and travel Made from Unique Therapeutic 2" gel memory foam with 2" support foam makes this bed mat a better choice for larger doggies needing more support and comfort Plush heavy duty firm memory foam pad is best for older and senior dogs with joint issues, hip displasia, and arthritis giving them the support they need for a comfortable rest This jumbo dog mattress insert is Hypoallergenic and highly resistant to molds, mildews, and dust mites and is The Smokey Dog Co.s best seller to buy in dog furniture. Easy clean machine washable replacement zip cover and nylon water resistant inner liner with zipper protects your dog beds from accidents and incontinent issues Great for larger breeds including Husky, Labrador, German Shepherd, English Mastiff, Great Dane, Doberman, Boxer, Pit Bull, Terrier, Border Collie, Lab, Golden Retriever, and more