Sauder 416820 Modern Interactive Pet Cube Molded bristle for rubbing Corrugate scratch pad at the base Sisal padding on side surface 2-sided fabric-covered cushion 2-sided exterior toy on elastic string Removable cushion cover with zipper Espresso finish 420461 Replacement Scratcher available Engineered wood construction Assembled dimensions: 18.11" L x 18.11" W x 18.5" H