The Hollister Premier One-Piece Drainable Ostomy Pouch – Flat SoftFlex Barrier, Lock 'n Roll Microseal Closure, Filter 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 SoftFlex barrier is a standard wear skin barrier that is gentle to the skin. The integrated Lock 'n Roll microseal closure utilizes plastic interlocking fasteners to create a secure closure at the bottom of the pouch. The AF300 filter allows for a slow release and deodorization of gas from the pouch. Soft, beige ComfortWear pouch panels help provide comfort.