The enclosed bottom area provides a hidden space for cats or small dogs while the upper platform can be used as an all-purpose nap pad to look out the window, lounge, and unwind. The classic style works anywhere in the home, from the living room to your bedroom, an office, the garage, or wherever your pet needs a cozy cat cave. This cat cube for indoor cats can be quickly assembled or folded flat for easy storage and travel. Portable and lightweight. Top and inside pads are machine washable