I don't think a binder set-up would bend them at all would it? Just enjoy looking at them from time to time.
Im sure there are binders with archival backing boards and mylar type sleeves made in this size for people who want to collect and store/preserve other kinds of documents, 8x10 stills, letters etc. Something that would almost look like a photo album, with hard covers, too, so that it keeps things from bending or getting damaged.