SenSura® Flex Xpro Ostomy Barrier Trim to Fit, Extended Wear Double Layer Adhesive 50 mm Flange Red Code System 5/8 to 1-3/4 Inch Opening (734869_BX) 5/BXShallow convex barrier can be trimmed to fit stomas from 15 to 43 millimeters. SenSura Xpro adhesive offers extra protection against aggressive output. The extremely low profile adhesive coupling system provides freedom of movement. Patented security channel prevents leakage. Colored tab and ample coupling surface allow for easy application and removal of pouch. Coloplast uses a color coded coupling system: This one is red.