Shoot for the moon with these glowing space keychains! Featuring a spaceship, rocket and astronaut, these backpack clip keychains make fun space-themed party favors, classroom rewards and handouts for kids. They’ll love adding the glow-in-the-dark keychains to their backpack accessories! Plastic. 3.81cm on a 5.08cm clip and a 2.54cm metal ring. Expose items to direct daylight to activate glow.