Kaytee Critter Trail Begin and Connect Habitat for Hamsters Critter Trail Begin N Connect Habitat is an ideal starter home for your new hamster, gerbil or mouse, Dimensions-14.5" x 11.25" x 11" Featuring multiple attachment ports for adding accessories so you can expand your habitat as your pet grows Narrow wire spacing and spring-loaded door locks ensure that your pet will remain safely and securely inside Cage comes with a water bottle and exercise wheel to get you started, Bar Spacing: 1/4 Inch Actual size 14-1/2-inch long, 11-inch wide and 11-1/4-inch high