*The litter is made of particle board, which keeps the cat tree tower stable and ensures your cat's safety while resting and playing. *The cat tower is covered in plush fabric and has several soft cushions to create a cozy space for your cat to nap. *This cat activity center gives your cat a space of its own from playtime to sleep time. This tree includes sisal posts, cattail fluff condo, hammock, bed, and hanging balls for exciting play. *Keep your furniture scratch-free with this cat tree. Your cat can sharpen their claws and satisfy its need to scratch and dig with the scratching posts wrapped with sisal.