Petsbao Premium Orthopedic Dog Bed & Lounge with Solid Memory Foam | Waterproof Liner | Washable Removable Cover | Superior Comfort to Ease Pain of Arthritis & Hip Dysplasia HIGH DENSITY MEMORY FOAM ORTHOPEDIC DOG BED: 4 inches of solid, high density memory foam delivers supreme comfort for all dogs, including those with arthritis of hip dysplasia. WATERPROOF LINER: A furniture-grade waterproof liner adds another layer of protection from accidents under the stain-resistant cover to protect the memory foam. EASY TO CLEAN: The outer cover is stain-resistant and tear-resistant so that you can spot clean with a damp cloth or easily unzip and machine wash for a deep clean. DURABLE COVER AND YKK ZIPPER: The outer cover is exceptionally soft and comfortable, but its also stain-resistant, tear-resistant, and crafted with sturdy stitching. A durable YKK zipper makes it easy to unzip and remove the outer cover and protective inner layer. SLEEK DESIGN: Available in a variety of colors, the minimalistic, sleek design provides a secure, cozy space for your large dog without interrupting your homes design. 39 x 30.5 x 9.8 inch (LWH) Best for one medium/large sized dog or multiple small dog. X Large 47 x 35.5 x 11.2 inch. Ideal for large size or multiple medium dogs.