The Caboose is a travel potty that uses a diaper as a liner, giving your toddler the ability to go anywhere, anytime, with easy cleanup for you! It's Compact! So small, it fits on a standard sheet of paper. The top fits in the base for even more compact storage. It can fit in your diaper bag, or under the stroller, or on the floorboard of the car. It's Convenient! With our patented diaper-catching design, give your toddler a clean , real potty that works. Because when you gotta go, you gotta go! Teachable Moments Away From Home! Families today are busier than ever and potty training on the go is tougher than on our home turf. With the CabooseTM, those "I GOTTA GO" moments are easier on both you and your toddler. Meet your toddler's need to succeed with the Caboose and you will both be on your way. Why Diapers? Availability, cost, familiarity, portability, absorbability, and most of all, no mess to clean up. Need we say more?