Hollister New Image Flat Flextend Skin Barrier, Pre-Cut Stoma Opening 1-1/8″ (29 MM) Flange 1-3/4″ (44 MM)-Box Of 5 is an ostomy skin barrier designed to help create a secure seal and support confident wear with two-piece, flat barrier profile, flextend wear formulation, and pre-cut opening. Box of 5.