Durable Vertical Scratching Surface: Featuring a sturdy, durable post (usually sisal), it provides your cat with an ideal surface to sharpen their claws and stretch their muscles, protecting your furniture and keeping their paws healthy. Built-in Ball and Feather Toy: Equipped with a dangling ball and feather toy, it engages your cat and encourages them to play and hunt, providing additional entertainment and helping them release their energy.