The board is made of P2 grade particleboard certified by CARB and covered with 400 grams of skin friendly plush, providing a comfortable and safe rest environment for kittens.Mechanical structure design makes cat climbing frame more stable.Our cat tree is suitable for cat paw grinding, habitat, scratching, rest and entertainment, so that your kitten has enough space for activities.Keep in a good mood, exercise your cat to keep fit, and your expensive furniture will be protected from damage.