When it comes to biodegradable pet poop bags, their decomposition timeline can vary significantly, usually based on the specific material they’re made of and the conditions under which they decompose.

Most of these bags — especially those made from plant-based materials like cornstarch or PLA (Polylactic Acid) — take around 3-6 months to break down in an industrial composting facility. What material the bag is made from is often listed on the packaging; stores like this one also list the materials and standards used for their poop bags online.

However, it’s essential to remember that biodegradability isn’t an instantaneous process. Biodegradable doesn’t always mean compostable, so in some conditions, these bags may not break down effectively. For instance, in a landfill where there’s a lack of oxygen, biodegradation can take years.

These biodegradable bags are a step forward toward sustainable pet ownership. They do reduce the reliance on traditional plastic bags, which can take hundreds of years to degrade. Still, for optimal results, you should do your best to dispose of them appropriately so they’ll be composted after you use them.