www.LuckyDogMart.com BioBag brands are 100% biodegradable and compostable. Mater-Bi is the patented material BioBags are made from.  These biodegradable products contain non-genetically modified starch (corn), biodegradable polymer and other renewable resources. No petroleum based products like polyethylene are used in making these green products. BioBag products meet ASTM D6400 specifications and California SB 1749 requirements for compostability and biodegradation. Start using these environmentally friendly biodegradable products to help Mother Earth. We can all make a big difference.