SUR-FIT Natura Moldable Technology Skin Barrier with Stomahesive Skin Barrier, mold-to-fit opening and hydrocolloid tape collar. This two-piece barrier signals a secure closure with a series of clicks. The snap off/on design allows users to quickly change the pouch without removing the skin barrier. Ideal for people whose stoma output is mostly liquid. The barriers swell up to protect the stoma, creating a more secure seal. White, Size: 2-3/4" Flange, 1-3/4" - 2-1/8" Stoma Opening. 10/box.