TT Flight Tag is a travel-themed keychain based on the "Remove Before Flight" tag.
Originally, the red "Remove Before Flight" tags are usually attached to an aircraft protective device that needed to be taken off before a flight.
(Photo credit: The Modelling News)
*This photo is taken right after the TT Flight Tags are exposed to a light source.
"Attach this flight tag to you valuable 'tools', so that you will remember to remove it before a flight. Save the heartache of your 'tools' being taken"