Critter Crib (1 Level) for Mice 40L X 27W X 27cm H (Purple) Two door openings located at the front (wire section) and top (plastic section) of the cage Solid plastic exercise wheel keeps your mouse safe and active Tunnel set included This is a Critter Crib Mouse Habitat - 1 Level - 40L X 27W X 27cmH - Purple (Pet One). The Pet One Critter Cribs give your mice room to roam and a place to play with two different sizes and colours to choose from. The Critter Cribs are equipped with a deep base, to help eliminate scattered food and litter.Each Critter Crib includes a drink bottle, exercise wheel, feeder bowl, ventilation cap, tube set and a sky view attachment. Wire thickness: 2mm, Wire gap : 8mm, Inside height: 25.5cm.