This cat tree tower is made of MDF,a tough and solid structure.Keeps cat scratching tower balanced and stable.Two-level design of this cat bed for kittens, with hanging play ropes to keep them active.This cat climbing tower features the large top house, which comes with a soft inner mat, so they can sleep and relax comfortably. The cat tower also comes with two play balls and a middle perch to keep them entertained and active.Wrapped in sisal rope, the cat tree tower gives them a place to sharpen their claws, away from the furniture.There's no place like their (new) home.