I used to fold up my decorative flags and store them in a plastic shoebox size Sterilite/Rubbermaid container (neatly of course, after laundering them when they came in the house from a long outdoor spell and hanging them to dry).
That worked while I had a few. Now I have many. While I lived in Virginia I started storing them in the front coat closet. I hang multiple ones together on a hanger that you get when you buy pants or a skirt from the store (like Kohl's or Penney's or a place like that).
The small garden size flags hang nicely just as they are. I store the larger ones this way too, they just require a couple of careful folds.
I fold them in half one way, and then in half again the other way. They end up being about the size of a garden flag. I hang them with the unfolded ends at the top. That way the hanger won't put a hard wrinkle where it's folded and the hanger clips on. The folded edges are all hanging loosely at the bottom.
I use about four hangers all together for quite a few flags. They can hang in any closet out of the way until you need them. Works for me!
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