This product uses natural sisal  to protect cat's claws from harm.
This sisal cat ball has a certain weight, is not easy to tilt more stable, cats prefer to play

Material: Sisal
S-size: 35*15*26cm  /  13.7*5.9*10.6  inch
L-size:55*23*40cm  /  21.6*9*15.7  inch
Advantages: sisal mat is more durable and more convenient to store!    Used in multiple places



Special note: there are two options in this link to replace the cardboard, if you choose to buy these two, then you will receive two replacement cardboard, do not contain sisal ball and wood bracket, in order to avoid you receive the product after any questions, especially to explain to you, if you need a complete set of cat climbing board, then please choose the set of options at the time of purchase.