Dogbed4less Orthopedic Gel Cooling Memory Foam Dog Bed, Waterproof Liner with Durable Washable External Cover for Small Medium to Extra Large Pets 2 LAYER of COVERS - Heavy Duty washable Denim external zipper cover in brown color + Waterproof internal zipper cover for comfort, easy cleaning and long lasting. ORTHOPEDIC SUPPORT - Solid 37X27X4 Inch Top rated Gel-infused temperature regulating memory foam provide the support and relieves the pain of arthritis, will not flat overtime to promote better sleep and healthy joint. LUXURIOUS COMFORT - Incredible support and conforming therapeutic comfort allowing your pet to get the rest that they deserve. 2 Years limited warranty on the memory foam. DURABLE WASHABLE COVER - 100 percent cotton Denim cover with strong zipper in gusset style and extra stitching to prolong the life of the bed, wash after wash. HIGHEST QUALITY - Premium materials, quality construction and smart features providing many years of comfort and support with excellent value for your money. Try it yourself and you will love it too.