Hollister New Image Convex Flextend Skin Barrier, Pre-Cut Stoma Opening 1-1/4″ (32 MM) Flange 2-1/4″ (57 MM) Tape is an ostomy skin barrier designed to help create a secure seal and support confident wear with two-piece, convex barrier profile, flextend wear formulation, and pre-cut opening. Box of 5.