Bags on Board Dispensers makes picking up after your dog simple, quick, and attaches to most leashes (standard or retractable), so you'll always have poop bag when you need it. And, the design always makes sure you're in style. Poop bag dispenser has a sturdy, compact design and holds 15 large dog poop bags. And, when it's time to refill, simply twist off the top and reload with a fresh roll of bags. Our bags have double-sealed seams to make them stronger and leak-proof guaranteed.