Harnessing the power of nature Arm & Hammer Essentials biodegradable waste bags are a corn-based waste pick-up solution that provides natural odor control form baking soda. * 40% of this product will degrade in the first three months. * The Arm & Hammer Essentials Biodegradable Waste Bags are made from corn that has the ability to break down and quickly return to nature, except as defined by the state of California. * A better choice for the environment than regular plastic bags. *