The GAC is small, about 4x6" roughly. We carry it in our lanyard and hold it out when we get to the CM. You pick it up at guest services and it is good for the length of your stay.
I keep DD's in a compartment of my purse that is handy to whip it in and out of. You need to have it handy to get at, secure so you don't lose or drop it and available so that you can hold it up for the CMs to see.
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