Made from bamboo and cornstarch, both renewable materials. This dispenser is tough and durable and uses a versatile bungee system to attach firmly to any lead, strap belt or bag. All standard poop bag rolls fit and it comes with 15 large poop bags. Made from plants, unique bungee design, Contains 15 bags, fits most leads, easy to assemble, Available in 3 colors. Unique bungee system for the pocket to be easily attached almost anywhere. Made from our plant fiber plastic. Easy to take apart and refill with poop bags.