Vintage Wedding in Wheaton, Illinois from Chrystl Roberge Photography Read more - http://www.stylemepretty.com/illinois-weddings/2013/08/20/vintage-wedding-in-wheaton-illinois-from-chrystl-roberge-photography/
EVERY BRIDE NEEDS THIS!!! Its a invisible ink pen, write the guests name on the RSVP card before you send it out. If it comes back without a name on it, you will know who it is from. This has saved me A LOT of headaches.