Compostable Bags for Kitchen Organics 13 Gallons Helpful Hints: Bags are best if used within 9-months of opening the package. To extend the useful life of the bags store in the original package in a cool dry place. To avoid condensation, place paper toweling or newspaper between the bag and the container. Easily tied-off to limit odors and insect infestation This plastic product meets ASTM #D6400, "Standard Specifications for Compostable Products", and is intended to be composted in a municipal or commercial facility operated in accordance with best composting management practices. Check to see if such a facili.