The Hollister Premier One-Piece Drainable Ostomy Pouch – Convex Flextend Barrier, Clamp Closure, Tape is a one-piece, drainable pouching system designed to be opened at the bottom when emptying. These pouches are most suitable for colostomies or ileostomies. The Flextend barrier is an extended wear skin barrier that is durable and offers high resistance to erosion. To close the pouch, use the curved, beige clamp. Soft, beige ComfortWear pouch panels help provide comfort.