This cat tree is made of E1 class Particleboard to ensure a tough and robust frame.Each step is wrapped with a soft plush cover, providing a gentle surface that is soft on paws to reduce pain while climbing.Each post wrapped with wear resistant sisal ropes, great for your cats to sharpen their claws and protect your furniture from damaging.Varying platforms for all manner of cat activity to sleep, exercise, relax, scratch and play. Gives your pet independence to access couches, ledges and high space.Optimal for older or disabled animals suffering from arthritis, pain, hip dysplasia, help small, older, recovering animals reach higher spots.Pet can climb up to car, truck, couch, and bed with the help of it.