SUR-FIT Natura Two-Piece Stomahesive Skin Barrier, manufactured by ConvaTec, is one part of a two-piece ostomy system. This skin barrier comes without a tape collar; if you're interested in a tape collar, make sure to check out this sister barrier, Natura Stomahesive, here. Featuring a plastic coupling ring, this skin barrier delivers detectable security by "snapping" to an ostomy pouch. In addition to audible peace of mind, the SUR-FIT Natura Two-Piece Stomahesive Skin Barrier is very dependable, as it features exclusive properties that allow it to adhere to both dry and moist skin. While securely fastening to your skin, this skin barrier is delicate on your integument.