A. Classic cat trees are produced from plywood and/or robust corrugated cardboard included in possibly faux fur or sisal rope, that's wrapped around the scratching posts. Modern cat trees are Generally made from strong Wooden, but they sometimes have areas with sisal rope to motivate scratching. Entice with catnip. https://cat-condos69126.life3dblog.com/24945478/feline-perches-no-more-a-secret