Outstanding style fills this Swarovski Flatback. This component features a smooth, flat back and a faceted crystal front full of glittering beauty. With this Flatback as an embellishment, you can create a stylish design that sparkles with the brilliance of high-quality crystal. Hotfix Flatbacks already have adhesive attached to their backing and are heat activated. The Electric effect features UV pigments that glow under UV light. This is a great effect for dance costumes thanks to the neon design with a sparkling and premium look.