ConvaTec SUR-FIT Natura - 12" Drainable 2-Piece Ostomy Bag (InvisiClose Tail) evenly distributes the contents away from the stoma while being both quiet and odor proof. The InvisiClose tail offers security, convenience, and easy draining. ConvaTec has made the skin barrier with an audible click, so you know when the skin barrier secures to the pouch. All pouches feature a one sided comfort panel for more comfortable wear times. 12" Drainable 2-piece ostomy bags are available in transparent and in opaque.