Adhesive Coupling Technology™ Products The pouch and the skin barrier are two separate pieces that can be joined together with the foam adhesive ring on the pouch and flexible “Landing Zone” on the barrier More Info: https://www.convatec.ca/products/pc-stoma-adhesive-coupling-technology-products    

Two-Piece Products The pouch and the skin barrier are two separate pieces that can be joined together with a plastic coupling ring. More Info: https://www.convatec.ca/products/pc-stoma-two-piece-products