Perfect for flight enthusiasts or pilots with aeronautical charts. Personalized cufflinks made with authentic Vintage (printed in 70`) enroute charts high Altitude. En Route High Altitude Charts portray Jet routes, distances, time zones, special use airspace, radar jet advisory areas, and other data. IFR flight plans are necessary for all flights above 18,000 feet The set from photo HAVE BEEN SOLD (it features New York J F K Airport with some navigation signs) and I will make you random airport for you with really great navigation signs, and this will be map of the States. You can also choose a place (town with airport), please send me a convo if specific location is avaliable. I am always happy to show you a preview. These cufflinks can be engraved with your text (just add a note at the checkout what would you like to have engraved on it ). Cufflinks are metal in gunmetal colour measure 18 mm 0.71 inch diameter (the map element is 16 mm 0.63 inch diameter) The cufflinks closures are secure, so there is no fear that they will fail during an important meeting. Your set will arrive in a nice box (last photo) - ready to give.