I will be doing a online business real soon so there will be a local store opening soon in the area so I will putting some of my cookies in the store my question is what is the best way to keep a cookie fresh the size of the cookie will be 4x6 in size the cookie will have royal icing on it can I wrap the cookie in a safe sealed plastic bag ? an have it refrigerated ,it will be for the holidays I will have them pro ordered. thank you