Featuring new side twist-know latchConnects to other crittertrail habitats with crittertrail fun-nel accessories to create expanded living spaceStandard Rectangle shape fits bedding trayIncludes a top mount water bottle, exercise wheel and food dishIdeal habitat for a hamster, gerbil or other small animalCage Dimensions: 16″ X 10.5″ X 10.5″Bar spacing: 1/2″