SUR-FIT Natura Stomahesive Flexible Pre-Cut Wafer, Tan, 4" x 4", 1-3/8" Stoma, 1-3/4" Flange Pouch and skin barrier snap together for audible security with plastic coupling ring Special formula enables the skin barrier to adhere to both dry and moist skin Ideal for people whose stoma output is semi-formed to formed Gentle on skin, yet holds firmly