About this item 【Suitable For Kitty Cat】Recommended for cats under 15 lbs. Layer board Dimensions:Long Board Sizes:15.75×2.76×0.59 inches;Short Boards Sizes:7.48×2.76×0.59 inches. If you have any questions about the size, please check the size information on the picture.Great for small cat climbing, and exercising. 【EASY TO INSTALL】Our package includes ALL the installation parts needed to install the cat climbing shelves, no need to buy any additional accessories.You Just have to drill hole as the instructions(included in the package) and then nail the cat wall shelves to the wall.Installation is very easy.(You can watch the videos to assembly) 【PACKAGE INCLUDING】1 long board + 4 short boards (including jute rope) + 8 mounting screws + 3 wall screws (including 3 matching screw sleeves) + 1 manual.Complete with accessories to use with all wall constructions. 【SAFETY AND WITHSTANDS PLAY】Our shelf material is made of 100% radiata pine wood.Can carry cats,good stability, high safety and no risk to your cat. The rope on the stairs can improve the friction and not easy to slip.The cat wall shelves can provide a pleasant climbing environment for cats, satisfying the cat’s instinct for movement..They will love it! 【CUSTOMER SERVICE】Each stairs follows strict quality standards, if you have any questions about the stairs, please feel free to contact us, we will HELP YOU IN 24 HOURS.