For hamsters, gerbils and mice. Measures 16 x10.0 x16 . Two story home. 10 Oz Water Bottle, Food Dish, Exercise Wheel, Three Fun-Nels, And Climbing Tubes. Has Two Spacious Levels Of Living Space, Two Comfort Shelves. Two Ez Access Doorways, Also Six Locations Where A Accessories Can Be Attached. 16X10.5X1 INCH