The SUR-FIT® Natura® Ostomy System is a comprehensive product line with our latest skin barrier technologies. The plastic coupling ring allows the pouch and skin barrier to snap together for audible security. Stomahesive® skin barriers are ideal for people whose stoma output is semi-formed to formed. This reliable skin barrier provides a unique formula that enables the skin barrier to adhere to both dry and moist skin. It is gentle on skin yet holds firmly.Skin barriers recommended stoma output is semi-formed to formed. It holds securely to skin while helping to protect against irritating output.Coupling ring provides audible click confirming secure connection to skin barrier.