The Swarovski Hot Fix Rhinestone in BLUE ZIRCON features a beautiful blue spruce coloring with a heat sensitive adhesive on the back side of the rhinestone. Use a Hot Fix Applicator Tool to attach your rhinestones to your project. You can also use a heat press or household iron to apply the rhinestones, or let your creative self shine and make iron-on transfers using our Transfer Film. Our Rhinestone Color Chart is a must to assist you in selecting your rhinestone colors and sizes. Let your creativity shine by using all the various articles together on your project. They all sparkle beautifully under the lights.