Assura®2 Ostomy Barrier Trim to Fit, Extended Wear Double Layer Adhesive 60 mm Flange Blue Code System 3/8-2-1/4 Inch Opening (719389_BX) 5/BXTrim to fit design: The flexible ostomy barrier features personalized fit and comfort. Double layer adhesive: The Assura spiral adhesive barrier click locks onto the pouch for secure attachment. The ostomy barrier accommodates openings from 10 to 55 millimeters for compatibility with various sizes. Coloplast uses a color matching system to ensure the best coupling: This one is blue. Belt tabs for use with Brava belts 4215 and 4220