ntroducing The Humane Society by Greenbone Biobase Pet Waste Bags, the eco-friendly solution for responsible pet waste management. Made with sustainable corn starch, these bags are not only environmentally friendly but also durable and reliable. Each bag is 13" x 9" in size, providing ample space for waste disposal. The bags are leak and odor-proof, ensuring a clean and hygienic environment for you and your pet. 16 Rolls / 192 Refills. The Humane Society by Greenbone Biobase Pet Waste Bags are made with Biobase, a premium plant-based plastic alternative made from naturally sustainable cornstarch. This makes them an excellent choice for environmentally conscious pet owners. Do your part for the planet while keeping your neighborhood clean with The Humane Society by Greenbone Biobase Pet Waste Bags. Make the switch to eco-friendly pet waste disposal today!