2 excellent layers of fabric cover internal layer waterproof fabric zipper cover to help secure the pad and a durable 13 ounce/yard jean denim fabric zipper external cover (40"X35" X4" size) for easy cleaning. Our external denim cover is 100 percent cotton made which is interchangeable for the top or bottom side which benefits the pets that are allergic to synthetic fabrics. The external cover is machine washable and dry-able.

• INTERNAL + EXTERNAL COVERS - The bed comes with 1 Waterproof internal zipper case to protect the memory foam and 1 Durable Washable Blue Color Denim external zipper cover.
• DURABLE WASHABLE COVER - Durable Denim cover with strong zipper in gusset style and extra stitching to prolong the life of the bed， wash after wash.
• ORTHOPEDIC SUPPORT - Top rated quality 40"X35"X4" high density Gel infused cooling memory foam pad provide the support and relieves the pain of arthritis， will not flat overtime to promote better sleep and healthy joint.
• LUXURIOUS COMFORT - Superior human grade mattress with conforming therapeutic comfort allowing your pet to get the rest that they deserve.