GREENER WALKER Poo Bags for Dog Waste, 540 Poop Bags,Extra Thick Strong 100% Leak Proof Biodegradable Dog Poo Bags(Brown)Keep Your Hands Safe: Our poo bags are 100% leak proof and extra thick,never worry about your hands when you pick the poo up. Super Value Package: 36 rolls and 15 bags per roll,total 540 bags can supply up to 7 months. About Measures: Bag's size 13x9 inches (LxW),fits all size of dogs and each roll fits standard size leash dispensers. Main Material: Unlike other poo bags, ours are made with corn starch blend which more friendly to environment. Earth