Pouchkins Drainable Pediatric One-Piece Ostomy Pouch - Flat Barrier, A one-piece, drainable pouching system is 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 Lock ‘n Roll closure uses 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 (item 3795 only).