GreenLine Poop Bags are the only poop bags on the market that will biodegrade in any environment, including landfills. Made from recycled plastic and a proprietary additive which renders these bags biodegradable anywhere they land, regardless of the environment or disposal method. Independently-tested, the bags fully biodegrade and return to the earth within 48 months. 100 Extra Large individual bags. Perfect for scooping kitty litter and picking up "heavy loads". Convenient box dispenses one bag at a time. Bag size: 12" wide x 20" long. Unlimited shelf-life. Unscented. Assembled in the USA, made in China.