Description The ConvaTec SUR-FIT Natura Durahesive Skin Barrier is a comprehensive product line with latest skin barrier technologies. It features plastic coupling ring that allows pouch and skin barrier to snap together for audible security. This skin barrier is specially designed for people whose stoma output is mostly liquid. It comes with secure, accurate closure to provide ultimate protection of the stoma through a special effect called turtlenecking. This colostromy irrigation barrier does not break down when comes in contact with liquids and completely wraps around the stoma to create a secure seal without harming the skin.