Store onions in the refrigerator: Wrap each bulb individually in paper towels, which will help absorb moisture, and place them in the crisper with the vents closed.
Onion Storage Tip #1
Store onions in the legs of clean, sheer pantyhose. Yes, really. This is a pretty cool trick. What you do is tie a knot in between each onion.
Onion Storage Tip #2
Don’t store onions with potatoes. It make the onions go bad quicker.
Onion Storage Tip #3