High quality vegetable starch[Earth Friendly] - Our dog waste bags are of high quality. These bags are biodegradable and friendly to the environment. In the presence of oxygen, this material will degrade faster than regular plastic at the end of its useful life. In addition, we use recycled materials in our packaging and roll cores because details matter.Key Materials] - We focus on quality, and our biodegradable dog poop bags are made from environmentally friendly materials that biodegrade to help protect the environment - degrading naturally within 12 to 18 months. In short, our poop bags are good for you, your pet and the planet [PERFECT LEAK PROOF] - The 9 x 13 inch poop waste bag is completely leak-proof, so you don't have to worry about those secretions getting into your hands. The biodegradable dog waste bags are thick enough to hold more poop and keep your hands clean, which can help keep you from getting embarrassed or in a bad mood after picking up.?Easy to use?-- Biodegradable dog poop bag refills have good toughness and break point design. Easy to tear off. Easy to pick up or remove pet poop and leak-proof dog poop bags to keep your hands safe.?Dispenser? Reusable dispenser with climbing buckle type clip, easy to attach the dispenser firmly to the leash.