Cat Climbing Wall with Hammock, Perches, Ladder, Scratching Posts, Cat Shelves for Indoor Cats, GrayWall Mounted Cat Tree: A cat shelf set saves space, making it a good choice for limited floor plans. Cats prefer to be high up in the air to look down on what's below. Get what's good for your pet and yourself in a single convenient set. Multi level Fun: This cat shelf set features multiple platforms, a hammock, a spring teaser ball, a semicircular cat perch, two scratching posts, and soft ladders to satisfy your cat's need to jump, climb, scratch,