Swarovski Crystal 2038 XILION Rose Flat Back Hotfix is the latest self-adhesive rhinestone. The silver mirror creates a brighter shine with more intense colors for a true diamond effect. When you look at the back of the stone, it is a copper color. This backing is patented by Swarovski and offers an easier way for you to get genuine Swarovski products! The XILION Rose Hotfix works seamlessly with your existing hotfix tools.