The ECOBAGS Produce Bags are perfect for you if you're tired of bringing home the thin plastic veggie bags, the are for you. The produce bags are made of a lightweight, natural cotton (not bleached or treated with anything) that barely weighs anything on the produce scale. If you're not sure, bring along an empty bag and test it. The full size is best for large items like collards, kale, broccoli, etc. You can use a twist tie to make the bag smaller.