Coloplast Assura® Skin Barrier, Non-Convex, Cut-To-Fit Stoma Opening 3/8″-1-3/4″ (10 MM-45 MM), Flange 2″ (50 MM) is an ostomy skin barrier designed to help create a secure seal and support confident wear with two-piece, convex barrier profile, cut-to-fit opening, and compatible with Assura. Box of 5.