Our Ukulele Key Chains are fun luau party favors! They're the key to making your guest giveaways unique. They're also great school carnival prizes. Planning a tropical theme or beach destination wedding? These key chains are great for treat bags. They're fun accents to purses and backpacks - take a little music with you wherever you go! Plastic. 2 1/2" x 1" on a 1" metal ring.