Anti-reflux valve prevents the urine from washing over the stoma, reducing the risk of urinary infections Soft tuck-away outlet – 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 480-mL capacity Coloplast uses a color-coding system to ensure a good fit: This one is green. Drainable .