If your home cannot accommodate a traditional cat tree, Armarkat offers the innovative W1907C wall-mounted cat climber. Featuring three levels of activity, this model also features two sturdy scratching posts and a hanging cat toy. The DIY tree can be easily installed with step-by-step instructions and tools supplied. It is constructed of solid Poplar layered and variegated natural beige wood surface. Dimensions: Base Dimensions:13" x 12" Post Diameter: 3" Maximum Holding Weight: 10 lbs Gross Weight: 9 lbs Net Weight: 7.9 lbs