The jumping, climbing and scratching is the nature of the cats. Our cat climber steps worth your money and your trust. It's a  perfect solution that use our cat climber shelf the with your cat trees, cat condos and cat perches to keep your cats' activity. PRODUCT INFORMATION: Material:  Nature Solid Pipe Wood with Metal Bracket and briadge connect with jute rope  Dimension:  Shelf wood platform: Length: 300mm *Width: 220mm* 25mm thickness Briadge wood :  Length: 220mm *Width: 50mm* 25mm thickness Bracket:  Length 150mm* depth 80mm*2mm metal sheet Package include:  2 sets of wood shelf with 4 metal brackets 1 set of  suspension bridge 8 stainless screws (Dia4mm*33) to fix the brackets to wall 4 stainless screws (Dia4mm*18) to fix the wood platform CUSTOMER SERVICE: If you are not satisfied with our products or any other issue with your order, please don't hesitate to contact us   , we will fix it promptly to meet your satisfaction,  customers' happy  purchasing experience is our final goal.