A 1-piece system means the baseplate (the part that sticks to your skin) is joined to the pouch, resulting in a secure and comfortable user experience. In a convex system the flange is designed to gently push the skin around your stoma back slightly to help the stoma protrude slightly into the pouch. Use of a convex flange is always recommended by a stoma nurse. The goal of a 1-piece system is simplicity with a discreet profile.

A 1-piece system means the flange (the part that sticks to your skin) is joined to the pouch, resulting in a secure and comfortable user experience. If your stoma protrudes well you will normally use a flat flange, your stoma nurse will recommend the most suitable flange for you. The goal of a 1-piece system is simplicity with a discreet profile.