Sur-Fit Natura® Drainable Opaque Colostomy Pouch, 12 " Length, 2.75 " FlangeA flange system gives audible signals to let the user know that this colostomy bag with a filter is securely in place The snap on, snap off system makes the opaque pouch easy to change without needing to remove the skin barrier A flocking panel gives this two piece colostomy pouch a soft feel Its content is evenly distributed within the pouch to keep it away from the stoma The tail clip of this drainable pouch allows for easy, controlled draining