Cat catio cage on 4 wheels for easily move from indoor to outdoor. 2 of them are brake casters to fix well and keep safe.,Waterproof asphalt roof are perfect for outdoor and indoor use.Product Dimensions:24.5"L x 23.4"W x 62.8"H Upgraded version of the surrounding reinforcement wooden strip structure the product more robust and durable,3 tier wooden cat playpen with 3 platform,removable hammocks, sisal blankets and small resting house inside to make much fun for pets. Removable waterproof roof cover made of high-quality PE materials which can resistant to snow,wind and water,keep the animals dry and shaded.great for indoor and outdoor use. Innovative design-1: Install the upper part of the hutch on the reverse side to face the indoor window to connect the house. The lower part faces to the outdoor. This allows your pets to enter freely in & out through the enclosure. Innovative design-2: If you want to make super larger activity room like photo 2, just combine 2 cat houses together by simply take off the side panel.The instruction manual will show the steps how to combine its Cat condo with removable bottom PVC layer for easy cleaning.2 big front doors and 2 small pulled up access doors with hook for easy catching you pets.