Coloplast Assura® One-Piece Drainable Pouch, Clamp, Transparent 12″ (30 CM), Non-Convex, Stoma Opening 3/8″-2-3/4″ (10 is an ostomy pouch designed for secure, comfortable wear with one-piece, drainable, convex barrier profile, and cut-to-fit opening. Box of 10.