- Made from high-quality wood, this multi-level cat climbing tower features a scratch-resistant surface that is ideal for scratching and clawing, helping to protect your furniture. - The over-the-door cat ladder installs easily on almost any door, saving valuable wall and floor space without drilling or permanent installation. - Four roomy levels provide ample space for pets to explore and play, while keeping your home tidy and space-efficient. - Each board is clearly equipped with high-quality fittings to ensure fast, simple installation, taking about 10 minutes. - Use scenario 1: In a small apartment, place this over a doorway to create a vertical play and exercise area without occupying floor space. - Use scenario 2: For renters or temporary setups, install and remove without leaving marks or holes in walls or doors. - Use scenario 3: For households with multiple cats, the four levels offer separate climbing and lounging areas to reduce crowding and channel energy.