55''x47''x4'' Chocolate Brown Anti Slip Washable Microfiber Suede Waterproof Orthopedic True Solid High Density Memory Foam Therapeutic Pad Pet Super Big Dog Bed Crate FREE 2nd External Washable Cover True Memory Foam Pad in size 55''x47''x4''. 100% Solid Piece 3 pounds density. External Cover: Washable Microfiber Suede Chocolate Brown with Black Bottom Anti Slip Dots Gusset Cover. Special Eyelid design to protect the zipper. FREE BONUS 2nd External Cover - will come in handy when you want to replace them for washing or cleaning. Internal Cover: Brown Taffeta Full Waterproof Fabric. Our Orthopedic Therapeutic memory foam will ease your pets aches and pains, muscle pain and relieves joints. Also a great solution for pets whose have muscle stiffness, dysplasia, and arthritis. Shape will not deform or change in sizes over time. Will not flatten over time and usage. Resistant to bacteria, mold, and dust mites; naturally antimicrobial. Hypoallergenic