I use this bags (including potato, veg, onion ...etc) to hang from the cupboard doors, because this way I safe lots of space. I'm at the moment on a juice fast, and I need lots of space for all the veg/fruits. I found that having several of this bags is really really useful. You just need to make sure that you can store the veg/fruit at room temperature, but yes, I do agree with another review that they are not 100% black outs, but pretty closed. I'm in the process of getting several garlic bags, as they are white and I can write on the other site (ginger - lemons ... etc) :-). I highly recommend them! HOWEVER, I have not yet purchase fro this buyer.