The K&H Pet Products Hangin' Feline Funhouse cat furniture is a cat tree that uses less space than conventional trees because it hangs on virtually any door rather than taking up floor space. No more valuable floor space is taken up by bulky cat trees and cat furniture. Based on the design of our K&H Hanging' Cat Condos, the Hanging Feline Funhouse has three kitty pleasing levels and two mesh windows and two open windows. The simple bracket design tightens from the bottom making this the most stable cat furniture on the market. Designed by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets; one year limited warranty.