These versatile key chains make ideal giveaways and party favors. Hosting an Earth Day event? Hand one of these out as mini global giveaways attendees can hook to their keys or on their luggage tags. These out-of-this-world globes also make excellent classroom handouts during Earth Day lessons and serve as a key reminder to students of the efforts they can make to help protect our Earth. Metal. (144 pcs. per unit) 3/4" on a 1" metal ring.