This ConvaTec™ skin barrier sounds several clicks to let the user know it has been properly closed. The snap-on, snap-off system makes for quick and easy pouch changes without having to remove skin barrier. The Durahesive® skin barrier expands in order to keep skin around a stoma healthy and protected. The Moldable Technology™ in this ConvaTec™ Sur-Fit Natura® offers a custom fit. This product is for stomas that weep.