Since I have several different sewing machine needles, and I use different needles for hand sewing and straight pins too. A long time ago someone wrote they stored their needles with the little packets that keep the moisture away from them so they don't rust or go bad. After that I found a plastic box used for beads keep all the pins and needles separate and with the little packets that come in pills and other things. Before that I just left them in the little thing they came in, in a drawer of the sewing machines. For the past few years San Diego has had a lot more humidity so hopefully this new method will protect them.