For looks with a crystal shimmer and a hint of darkness, use this Swarovski XILION rose enhanced flatback in Crystal Silver Shade. This lovely glue-on rhinestone featured a convex front made up of faceted crystals in a sparkling grey color, while its smooth, flat back makes adhering to any surface easy. Use this component to decorate clothing, cell phones, shoes and other accessories. You can even mix and match it with other Swarovski glue-on flatbacks in a variety of colors for fun personal flair.