Starbucks keychains are usually miniature replicas of iconic Starbucks items like coffee cups, mugs, or even the Starbucks logo itself. They're typically made of metal or plastic and may include intricate detailing, such as the Starbucks logo or famous drinks. Some may also have functional features like a mini flashlight or a detachable token for shopping carts. They're popular among Starbucks enthusiasts or collectors and make for stylish accessories for your keys or bags.