Compost Bags Green Large Trash Bags 33 Gallon Flat Top Cut Garbage Bags 6 Count - EcoSafe (No Twist Ties Added) Our green tinted compost bags are BPI certified compostable certification # 10528542 Meets ASTM D6400 Standard for Compostable Plastics, Manufactured with natural occurring minerals and renewable materials Extra strong, leak resistant seals, Performance comparable to any traditional plastic bag. Best used within 9 months of opening the package, Totally breaks down in 10 to 45 days and becomes compost in less than 6 months in a commercial composting facility, More durable than brown paper bags as they will not fall apart when subjected to rain or moisture Bag dimensions are 32.5 inches by 40 inches