Merax CARB-Certified Cat Activity Tree with Arch Bridge,Milk White Product Dimension:41 L X 17D X 45H, the condo:13.8L X 13.8W X 10.2H, Base Board:16.5L X 16.5W, the arch bridge: 23.2L X 7.9W Skin-friendly high quality material for your cat, provide her a safe living environment Features CARB-certified board and natural sisal rope, safe and durable for cat to scratch Use an arch bridge to connect two independent house Easy to assemble with tools and instructions