We know what it is like to walk your dogs and suddenly realize you are down to the very last bag on your roll. The Original Poop Bags Countdown Rolls have numbers on the bags so you know exactly how many are left on your roll. These bags contain 30% recycled content and are blended with the EPI additive to meet multiple eco certifications. With 15 bags per roll, these pet waste bags fit most leash attachment dispensers, providing 120 bags per box, measuring 9" x 13".