3 STORY: Cat furniture with 3 levels of cat play yet this cat tree takes up zero floor space SMALL SPACES: Space-saving cat furniture cat tree that mounts on virtually any door DURABLE: Heavy denier waterproof fabric for durability that lasts and has a plush lounging spot on the top MULTI-LEVEL ACCESS: Complete interior access through all levels; kitties can play easily through each level VIEWS: Mesh levels and multiple peepholes for multi-level cat tower views and play BRAND YOU TRUST: Designed by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets