The ability to biodegrade will not create a bag well suited for composting, but all bags well suited for composting will deteriorate over the composting process. Compostable Doggy poop solutions (bags and sheets) are made from organic resources, such as recycled pulp and bioplastics, which are components derived from vegetables https://israelzwtpk.theideasblog.com/35334613/5-simple-statements-about-dog-poop-bags-rolls-explained