Lived in Florida since 1969. Do not put in attic. They will mildew and the smell is awful.

Guest closet, 2nd shelf in master high up, or use bed risers but that is not my choice.

You can store blankets or something in them.

We don't use our attic at all. We have lost too many things. Even Rubbermade Totes start to smell odd after a couple of years.

But then my attic would smell delicious, so…..