This is a Compostable Green Dog Poop Waste Bags 6 Rolls (120 bags) by Pet One. Safe and ecofriendly solution for picking up after your dog. Waste bags made from cornstarch can be composted at home. Each bag will break down naturally, with no toxic substances released into your compost. Compostable doggy waste bags meet the Australian Standard for Composability As4736. 20 compostable bags per roll.