【Sturdy & Stable Structure】Made of high-quality engineered wood, this cat climbing tower provides long-term durability without easy deformation or collapse. The wide flat bottom and sturdy posts ensure high bearing capacity and stability so that the kitten can easily and safely jump up or down the cat tree.【Sisal-covered Scratching Posts】The scratching posts wrapped in natural sisal ropes can satisfy the kitten’s scratching instinct to keep their claws healthy while protecting your furniture from damage. In addition, these posts also provide strong support for the cat climbing tower. Colour: Grey