20mm Montana Blue Authentic Swarovski Elements Round Crystal Rhinestone Earrings - Made in the USA Made with Authentic Swarovski Elements! Lead and Nickel Free, and Made in the USA! Perfect size for Adults and Teens, Size of each earring is the size of a nickel. We do offer a smaller size. This is called Montana Blue, please note we consider it to be the closest to Navy Blue.. Please take the time to read the product description for more details!