ConvaTec ActiveLife - Drainable 1-Piece Urostomy Bag (Pre-cut) combines the skin barrier and drainable pouch together into one, easy-to-manage system. The Anti-reflux valve helps prevent urine backflow while the accuseal tap allows for an easy connection to night drainage systems. ConvaTec Drainable One Piece Urostomy Bag with Pre-cut wafers offers both convenience and dependability.