YSP1144 Features: * Pen * Providing critters with extra living space * Flip up the built-in handle and Critter Trail off-to- school graduates into a carrier * Complete with dashboard food dish, rooftop water bottle, and expansion opening * Universally connectable, easily attaches to all Critter Trail, Habit rail and s.a.m systems * Used as temporary home while you are cleaning the habitat or as a convenient carrier for travel * Push button, flip down front door allows for safe and simple access to your pets * EZ to remove rooftop makes cleaning a breeze * For hamsters, mice, gerbils or other small animals Includes: * Includes real rolling wheels for playtime after a long day of class Options: * Available in red and yellow colors Dimensions: * Dimensions: 6.5 H x 4.5 W x 8.25 D