The Oh Crap biodegradable compostable dog poop bag is made from cornstarch – it’s fully compostable. Using Oh Crap compostable bags is a safe and environmentally responsible way to dispose of your pet’s waste while protecting your pets and family from pathogen infection. 3 pack contains 60 bags. Dispenser carry bag sold separately. Oh Crap biodegradable compostable pet waste bags conform to the following standards: Comply ASTM 6400:2012-01 and ISO 17088:2012. Tested by OWS and certified by TUV AUSTRIA as Ok Compost, Home Ok Compost (certification No. S329), By DIN CERTCO according to EN13432 (7P0467, 7P0477), by BPI according to ASTM D-6400 (CERT # 7719318), and safe for direct food contact (FDA). Biodegradable Compostable Products Institute – Fully Biodegradable Compostable Dog Poop Bags.