UltraMax Deep Convex Closed-End Pouch Pre-Cut 1-5/8″ (41mm) With AquaTack Hydrocolloid Barrier With Filter, Transparent. Unique Petal Design Creates a Flexible, Comfortable Fit For All Abdominal Contours. Flexible Flange Creates Optimal Seal. Ideal For Retracted, Flush and Hard-To-Fit Stomas.