Keep your walks clean with K9 Sport Sack’s doggy waste bags—100% compostable and biodegradable, made from cornstarch for an eco-friendly solution. Each box contains 18 rolls, totaling 270 bags, enough to last about four months. Certified to meet ASTM D6400 standards, these bags are designed for aerobic composting in municipal or industrial facilities. Conveniently packaged with a transportable dispenser, they fit perfectly with Knavigate and Rover 2 backpack carriers. Each bag measures 9" x 13", making cleanup easy and responsible.