Frequently asked questions What material is this furniture made of? This furniture is made of high-quality bent eucalpytus plywood and finished with scratch- and dirt-resistant varnish. The posts are made of ABS plastic, reinforced with thick cardboard and then wrapped with 6mm-thick natural sisal rope. How do I clean the cat tree? The hammocks and cushions are detachable with a zip so they can go in the washing machine. The sisal mats are fastened with Velcro and can be easily detached. The sisal mat of the punching bag in the middle can also be easily detached. Is this cat tree suitable for my cat? This cat tree is suitable for both large and small cats. How strong are the hammocks? Due to the steel frame, these hammocks and can handle weights of up to 25kg. They can also be turned in all directions.