??? Eco Friendly: We make our dog poop bags with certified post-consumer recycled plastic, which more friendly to environment.Roll cores and packaging are made from recycled paper ??? Leak-Proof: 9 x13 inches bags have a 100 percent leak-proof guarantee to keep your hands safe. Double seal design stronger than most biodegradable dog waste bags. ??? Easy To Use: Bags easy to separate from the roll and open. Dispenser also easy to open and load. ??? Super Value Pack: 36 rolls and 15 bags per roll, total 540 bags can supply up to 6 months. ??? Benefits: If the product has quality problems, it can be replaced for free.