Sur-Fit Natura® Two-Piece Drainable Opaque Filtered Colostomy Pouch, 12 Inch Length, 1.75 Inch Flange, 20 ctThe Sur Fit Natura Flange System signals a secure, accurate closure with a series of audible inch clicks inch A simple snap off, snap on design allows users to change the pouch quickly to match activities without removing the skin barrier from the skin The drainable pouches have soft, fabric like comfort panels In addition, drainable pouches are available with the InvisiClose tail closure system and an advanced filter The InvisiClose clipless tail