Tower Cat Condo is an excellent multi-level cat tower for a multi-cat household! The hammock shaped perch on the first level provides an excellent low-level lounging area, while the second level boasts a deep-set bed for sleeping. The large tunnel on the third level has a window opening in the front so your kitties can look out while lounging. The fourth level has another large deep-set bed for your cats to sleep as well as survey the room.