Color: Grey Size: Large KOPEKS orthopedic Memory Foam Dog bed kopeks superior quality 5-inch think density memory foam with 2 inch think pillow dog bed with waterproof removable liner cover. This bed is orthopedic grade for support and ultimate comfort. They will not flatten overtime. Similar to therapeutic foam found in high end mattress store. It can relieve your pet aches and pains in their joints. It is great for pets with arthritis, hip Dyspepsia and joint and muscle stiffness.