1.STURDY AND SAFE: Stability is always priority. The bottom base is strengthened that ensure its stability of the whole cat tree. 2.WIDEN AND SPACIOUS: The extra large top perch with raised rim offer maximum comfort for feline friend while they are lounging and looking out window They will definitely enjoy it! 3.COZY AND PRIVACY: The dual condos is covered with ultra soft plush and the enclosed design creating a sense of security provide them a quiet place to curl up for snoozing. 4.HEALTY AND FUN: Full wrapped with natural sisal,the scratching post will completely satisfy their instinct of scratching and help them maintaining a healthy habits of clawing! 5.REASONABLE AND DETACHABLE: Your lovely cats are fascinated with the fuzzy ball, which is detachable.