The Armarkat Model M05HKF/Zs-xl extra large pet bed mat is filled with extra-thick, 100-percent poly fill for maximum comfort. It features buttery faux suede and silky soft plush. The dog mat has a zippered opening for easy cover removal. The waterproof lining allows for easy cleaning. The mocha and earth brown pet bed mat also has a skid-free base. Six months manufacturer warranty against defects. Replacement cover is available from the manufacturer. Dimensions:47""(L) x 36""x 4.5""(H)