Round Vintage APOLLO GENERIC Seal (nasa logo insignia) Metal 0.75" Lapel Hat Pin Tie Tack Pinback Made of metal with the resin-topped design shown. Pin is approximately 0.75" (1.9cm) in diameter. Makes a great gift or collectible item. Each pin is 0.75" and comes with a secure butterfly clasp so you won't lose this pin. Made in the USA This cool pin is made from high quality metal. The pin has a resin-topped, printed design. Pin measures approximetly 0.75 inches and includes secured backing. Each of these beautiful pins is made in the US.