Ostomy system features an innovative Adhesive Coupling Technology. Instead of plastic rings, a patented foam adhesive allows the pouch to be securely attached to the skin barrier on a clear plastic “Landing Zone� flange. The result is a low profile, flexible, two-piece system. Stomahesive skin barriers are designed to be gentle on peristomal skin.- Adhesive Coupling, Stomahesive Skin Barrier with White Collar, Cut-to-Fit Opening, White, 1 7/8" Stoma Opening, 4 1/2" x 4 1/2", 10/bx