Weddings-Invitations,Menus,Save The Date.....
EVERY BRIDE NEEDS THIS!!! It's 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 can save A LOT of headaches.
Source : http://www.ebay.com/itm/uv-reactive-security-invis
Does this belong to you Or do you know who sells it ?