I use these small cotton bag to do my shopping with my gardeners, I took different size M, S and L, very easy to maintain natural fiber, for my part I was tired of plastic bag not only pollutes but are not as strong as those little cotton bag, I am absolutely delighted with my purchase. M size allows me to put vegetables like carrots, salads, Size S instead I used for mushroom or nuts also for radishes L and I use it for cabbage, leeks ...