The Women in Science Collection celebrates the achievements of the intrepid women who have paved the way for the next generation of female engineers, biologists, mathematicians, doctors, astronauts, physicists, and more! Made of soft enamel with a lobster clasp, this Astro Shuttle Keychain makes a great car key charm, purse pendant, handbag decoration, phone case accessories, or a keyring. Size: 2.28" W x 2.5" H Made in collaboration with Rachel Ignotofsky