Selected materials for your beloved friends: This cat tree tower is made of safe and environment-friendly materials. Non-toxic E1 particle board is covered with soft and skin-friendly plush， and posts are coiled with natural sisal safe and secure: Yaheetech 51-inch cat tree features 19.3 x 19.3''big baseboard to avoid wobbling or tipping over and ensures its stability. A safety strap provided can attach the cat tree to the wall for added stability ideal for energetic kittens: Multilevel cat tree expands the usable activity space vertically and offers more room for pets to climb and explore， helping cats stretch their bodies， exercise their muscles and develop balance control and feline flexibility spacious for several kittens.

• Stability is always a priority: The bottom base is reinforced that ensure the stability of the whole cat tree. It also comes with a wall anchor strap to attach it to the wall for extra stability
• Removable interactive ball: The cat condo hangs a ball for more excitement， and you can remove it to replace with your owns toys
• Amusing and relaxing: the cat towers and condos provide with a perch with raised edge， warm condo， and hammock for comfy napping a playful tunnel for adventurous kittens sisal covered scratching posts encourage positive scratching behavior and more importantly， free your furniture from sharp little claws