Fruits， vegetables and flowers release ethylene gases during the natural ripening process after harvest. Exposure of the produce to these gases accelerates aging and deterioration. Independent laboratory testing shows that Debbie Meyer GreenBags help extend the life and freshness of fruits， vegetables and fresh cut flowers by creating a beneficial storage environment， giving you more time to enjoy your produce， and That Saves You Money! Simply store your fruits， vegetables and cut flowers where you normally would (either the countertop or refrigerator) and watch how the Debbie Meyer GreenBags actively work to keep their contents fresh， extending their usable life. BPA free. Save money， reduce waste， and nurture the environment; these bags are reusable up to 8-10 times each!