This multi-level cat activity centre is made of solid Particle board to keep the whole cat play tower strong and stable and pet friendly.Covered with soft and comfortable plush fabric, making this cat climbing tower for indoor cats become the perfect resting area for your furry friends.With cat scratch post wrapped with durable natural sisal ropes and multiple sisal carpets included, this cat tree tower is perfect for your cats to sharpen their claws, and save your furniture from scratching and digging.Rest, play, exercise, your cats can spend all day on this cat towers for indoor cats.