Snoozer- Luxury Sofa Pet Bed - Extra Large / Memory Foam Covered in designer fabric with rear zipper for easy cleaning Memory foam cushioning Bolstered sides about 6-inch wide/high 6-inch convoluted foam with 1-inch top layer of 3 pound visco-elastic memory foam (7-inch total height) Available in a variety of fabric options; Small: 30 -inch W by 20 -inch D, Large: 40 -inch W by 30 -inch D, X-Large: 54 -inch W by 36 -inch D