The Free-tail Bat Earrings design features the bat's bodies being created with fine marquise cut gemstones set in sterling silver--they hang from sterling silver Shepard Hooks. They are available in eight different gemstones. Each bat measures .75 inch by 0.5 inch. Choose from amethyst, citrine, blue topaz, smoky quartz, white quartz, peridot, garnet or onyx. Also available in gold with emerald, ruby or diamond. (inquire for gold prices). Be sure to select stone. Call if you have questions. Some orders will take 2-3 weeks for delivery due to custom stone selection.