Marlen Manufacturing All-flexible Urostomy Pouch Upto 1-5/8" Stoma Opening, Regular, 8-5/8" L x 5" W, Clear, Plastic, 15 oz, Lightweight, Reusable Marlen All Flexible Clear Plastic Urostomy Pouch is a lightweight plastic pouch for stoma openings which requires separate mounting ring and drainage fitting. It comes with a capacity of 15 oz (450cc).