This is a small animal crystal house with dimensions of 46.8x31x28.2cm, which is easy to disassemble and install. The interior contains a silent animal running wheel and a water bottle on the left side. The front and sides are transparent, so you can clearly see the activities of small animals. The sides are made of glass and can be opened to feed small animals. The top and bottom trays of the cage are made of plastic, with vents on the top to increase ventilation; the bottom tray can be easily removed and cleaned, and you can add GEX heating sheets to keep small animals warm in winter. Cages can be stacked up to 2 levels.