To enhance the stability of the cat tower, we use anti-toppling screws, so that you can secure the cat tree to the wall for extra protection. The whole cat tree is covered by soft plush with durable sisal ropes of the scratching posts and board, which both are selected materials. This 68.5inch tall activity tree is suitable for big and medium-sized indoor cats and kittens; The maximum weight capacity of it is 11lb. al kittens. The 3 perches at the top of the cat tower are designed to be cute and funny in the shape of cat ears, whose padding around edges is PP foam. This large cat tree features multiple levels with 3 perches, 2 condos, 1 basket, 8 scratching posts, 1 scratching board, and 3 hanging balls.