Give your web-slinging buddies the ultimate penthouse with the Treehouse! This 4"x4"x6" vertical paradise features a crystal-clear back panel so you can spy on all their climbing antics without cramping their style. The front-only door means zero disruption to their cozy top-dwelling nests and webs, because nobody likes an unexpected home invasion. With 2mm ventilation keeping the air fresh and a stackable design perfect for building your spider skyscraper collection, this enclosure proves that arboreal spiders and tarantulas deserve a home as fabulous as they are. Sleek, functional, and ready to impress!