FUKUMARU Cat Wall Shelves, Stable & Safe 4 in 1 Cat Furniture Set, Wooden Climbing Wall with Scratching Post, Bridge and Bed, Stylish Jungle Gym for 16 Inch Drywall - GreenSTABLE AND DURABLE The cat wall furniture set is made of solid wood multi layer board and pets friendly peach velvet fabric, not easy to bend and less fuzz shed. The fiber cross orientation of each wood layer forms many supporting point, making each cat shelf can bear more weight, passed FUKUMARU loading test. The safety of your cat is always our top priority. EASY TO INSTALL The cat wall shelves are designed for US standard 16 inch drywall, through