Environment materials, High quality of solid wood, 4 Seasons general, Stable and durable. High quality of fir wood, high-temperature processing, not easy to cracks and deformation, durability for use, beautiful and strong. Top parts full view design, better for you pack and arrangement. 4 side ventilation design, it can keep you pet house have fresh air. Up and down space design, live comfortable, give your pets free movement space, inside have wooden slide. The pets can go up and down free. 3-door, better for you feeding, washing. Bottom place have universal wheel, easy for you move it indoor and outdoor. Double pull out waterproof drawer , it can avoid the urine out and can washing directly and easy cleaning the animals shits.