The UV Classified Reveal Pen was released as a Burger King tie-in kid's meal toy line for G.I. Joe: The Rise of Cobra in 2009. Each toy had a code printed on it that could be entered at the Club BK website to unlock special content. The code on this toy is "7955".
The UV Classified Reveal Pen came with a green pen with ultraviolet light and five green and white pads.