SenSura® Click Urostomy Pouch Two-Piece System 10-3/8 Inch Length, Maxi 40 mm Stoma Drainable (810156_BX) 10/BXAnti reflux valve prevents the urine from washing over the stoma, reducing the risk of urinary infections. Soft tuck away outlet is easy to use and can be tucked away when not in use: This prevents it from rubbing on your leg, offering more comfort and discretion. Multi chambers the pouch has been divided into chambers which spread the urine evenly within the pouch. This allows it to have a flat and discreet profile while reducing splashing sounds