OOT bags

saw on BHB board of what to put in a OOT bag. a lot of ppl suggest to put some things that are representfull of the area the wedding is taking place at.
I've been living in Westchester for a little less than a year. so maybe u guys know what kind of things I can put in there that will represent Westchester? I have no idea other than the usual water bottles, snacks and advil

help!