Anti-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 Drainable Coloplast uses a color code system to ensure the best coupling of barrier and pouch: This one is green. Maxi size pouch is 10.375 inches long and has a capacity of 480 mL.< .