The 4-sided bolster pet bed offers a supportive and comfortable spot for your pet to curl up and sleep. This dog bed features four soft walls with poly filling that shelter your pup in warmth and security. Over-stuffed base to ensure maximum support and comfort 100% polyester. Tested for durability. Non-slip bottom A soft removable cover makes cleaning a breeze. Comes with a 1-Year Limited Warranty. Medium: 22"W x 18"L 7“ Large: 23"W x 28"L 9"