The award winning Rumparooz One Size Cloth Pocket Diaper has been a revolutionary change to the face of cloth diapering. Kanga Care brand cloth diapers were the first cloth diapers uniquely designed with the now patented leak protection technology of dual inner gussets. Designed with simplicity, Rumparooz are as easy to use as a disposable diaper, but without all the chemicals, waste and high cost. 4 diaper sizes in one diaper. Fit most babies at any size between birth (size newborn, 6lbs) up through potty training (size large chemicals, waste and high cost. 4 diaper sizes in one diaper. Fit most babies at has 6 different size and absorbency settings to customize for your babies needs.