Sur-Fit Natura® Ostomy Barrier Moldable Durahesive® Adhesive 45 mm Flange System Acrylic Collar 1/2 to 7/8 Inch Opening Small (779916_BX) 10/BX1 Inch flange The Sur Fit Natura Flange System signals a secure, accurate closure with a series of audible "clicks" A simple snap off, snap on design allows users to change the pouch quickly to match activities without removing the skin barrier from the skin Durahesive skin barriers are designed for people whose stoma output is mostly liquid Unlike other skin barriers that can break down around liquid output, Durahesive skin barriers swell up to