Pet Stairs/Cat Climbing Tower/Cat House 64114141Features: Combines cat ramps, a sleeping box, a hammock, and platforms Wheels for easy movement, two with brakes, letting you rearrange or bring it inside in the winter Suitable for three cats (up to 12 lbs.) to share Made of fir wood with a weather resistant asphalt roof Provides cats with their favorite things heights, hiding places, and sunlight Two doors included with a large side door for placing a cat litter box Assembly required Specification: