3 Ramps Cat Wall Climbing Package Quantity (3) "Hanging Wall Mounted Cat Shelf" They come in 3 different lengths 16", 32" and 48". All are 8" wide. They can be mounted flat or at an angle to lead up to another piece. With 3 different sizes you can make any area work for you. Made of solid wood, not paper tubing Plush carpeting in your choice of 10 different colors