Dogbed4less Orthopedic Gel Infused Cooling Memory Foam Dog Bed for Small, Medium to Large Pet, Waterproof Liner with External Suede Cover and Extra Bonus External Case - 7 Sizes WATERPROOF LINER + 2 EXTERNAL COVERS - This bed comes with x1 Water proof internal zipper cover to protect the memory foam, x1 Washable chocolate brown color MicroSuede external zipper cover + x1 Free bonus MicroSuede brown non slip external case and x1 gel infused XXL memory foam pad at 55" Length X 37" Width X 4" Thick. SUEDE WASHABLE COVER - Comfortable and Heavy Weight 200GSM Microfiber Suede removable cover with strong zipper in gusset style and extra stitching to prolong the life of the pet bed, wash after wash. Machine washable / dry-able. MEMORY FOAM ORTHOPEDIC SUPPORT - Top rated quality XXL 55"X37"X4" hypoallergenic high density 100 percent cooling memory foam pad provide the support and relieves the pain of arthritis, will not flat overtime to promote better sleep and healthy joint. COOLING LUXURIOUS COMFORT - Better than average human grade mattress with conforming therapeutic comfort. The combined benefits of pressure point relief, alignment support, cooler sleeping surface and less allergens come together to create the ideal environment for deeper and more restful sleep. HIGHEST QUALITY - Premium materials with a full layer of high-density memory foam + heavyweight cover, 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.