Feel good about taking care of the land with new Hefty Compostables. These BPI certified, 100percent compostable bags were specifically developed for municipal food and yard waste collection programs and are not suitable for backyard composting. Hefty compostable bags make transporting and clean up of compostable items easy! Simply fill your compostable bag, tie it shut and throw it into your compostable bin for collection. Available in three versatile sizes, these bags let you take advantage of all the goodness of composting - less landfill waste, better air quality, and richer soil. with Hefty Compostables, the benefits are in the bag. Pattern: Solid.