ConvaTec ActiveLife Convex - Drainable 1-Piece Urostomy Bag with Fold-up Tap (Pre-cut) is a lightweight, flexible one piece drainable pouch system. This drainable pouch is ideal for those with recessed or flat stoma's. The wafer is made of durahesive material that will swell up to protect the stoma against urine. The tap at the bottom makes this drainable pouch easy to use and results in less mess.