Design: The charm features a cute, translucent whale or dolphin shape with a liquid interior containing glitter or small decorative pieces. Material: Generally made from durable materials such as acrylic, PVC, and zinc alloy for the metal components. Features: Many variations include a faux pearl accessory and a flexible wire loop for attachment to various items. Versatility: This type of item is a popular accessory, suitable for personalizing keys, purses, backpacks, or even hanging from a car mirror.