Features: It is very easy to install on the wall. You can also decide the height between the shelves. Some cats or kitten may afraid to jump on it firstly. Just please to put some food or toys on the shelves to attract them. You can also install the low space to make them suit its surroundings. When they adapt to the environment,they will love it very much and enjoy themselves on the shelves. Specifications: Color:blue,pink,black Size:small 17*35cm,large 35*35cm Weight: small 815g,large 1.5kg Accessories:PVC plate*3,stoving varnish steel rectangle racks*6 15*20cm,straps*18,M3.5 screws*18,expanded pole*18 Loading weight:small 10kg,large 15kg Material:PVC,steel Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store