The Martha Stewart Charlie 4-sided bolster pet bed with a removable cover offers a supportive and comfortable spot for your pet to curl up and sleep. This dog bed features four soft walls with plush poly filling that shelter your pup in warmth and security. A non-skid, non-slip bottom helps prevent the pet bed from sliding, while the soft removable cover makes cleaning a breeze. Tested for durability and quality, this orthopedic dog bed provides your pup with pure comfort for restful sleep. Features Cushioned Sleeping Surface: 11x13" for Small; 12x15" for Medium; 14x18" for Large