Natura Durahesive Moldable Skin Barrier with Accordion Flange. This flange makes pouch application much easier and more comfortable while delivering the proven protection of Moldable Technology. Durahesive™ Skin Barrier with Mold-to-Fit opening, hydrocolloid tape collar, and accordion flange. Color: Tan, Size: 57mm (2-1/4") flange; 22-33mm (7/8" - 1-1/4") stoma opening. 10/box.