Best Price Mattress 5" Memory Foam Dog Bed 1.5 Memory foam with 3.5" high-density base foam for added comfort and long-lasting durability Includes a zippered, machine-washable, 100% polyester velour cover with a non-skid bottom Adjusts to your pet's weight and eases achy joints, arthritis and hip dysplasia Natural resistance to bacteria, mold and dust mites Available in dark brown