Orthopedic Support: High-density 3-inch egg crate foam distributes weight evenly, relieving joint pressure. Ideal for older dogs and large breeds with arthritis. Spacious 26x22 inch sleeping surface. Sofa Bed Design: 3-sided 3.5-inch bolster provides comfort and security. Supports head and neck for restful sleep. Touch fastener allows connecting two beds for extra-large size. Soft Velvet & Waterproof: PV velvet brush flower surface and super soft bolster offer maximum comfort. Waterproof layer protects foam from moisture. Easy Care: Removable cover with top and bottom zippers for easy assembly/disassembly. Machine washable (remove foam and bolster fillings first, close zippers). Pet Safe: OEKO-TEX Standard 100 certified, CertiPUR-US certified foam. Non-skid bottom prevents slips. Size: 36 x 27 x 10 inches (LxWxH). Sleeping area: 26 x 22 inches. Weight capacity: up to 100 lbs.