Catio Cat Window Box Outside Enclosure with Bridge PlatformsExtended Window Cat Patio: Assemble this outdoor cat cage outside a window and give your kitties a cat patio to play and nap in the fresh air. Let them hear nature's noises and smell the world's smells. You can leave the entryway open and let them climb out independently. Multi Level Fun: Our outdoor cat enclosure provides endless entertainment with multi layer platforms, a cat bridge, and a resting box. Your fur baby can sit at the top of the world