Adhesive Coupling Technology (ACT) lets you remove the pouch without removing the skin barrier. This makes pouch changing easy, is gentler on a baby's tender skin, and allow you to view the stoma without removing the skin barrier. The soft, colorful flocking and rounded corners of the pouch are comfortable on a baby's sensitive skin. For stomas size 4.8mm to 31mm (3/16" to 1 1/4")