- Swarovski Elements 2058 Rhinestones in JONQUIL TRANSMISSION, a pale yellow rhinestone with the Transmission coating for extra sparkle( very similar to AB coating) . This does have a foil backing. Flat back rhinestones are the best choice for figure skating dresses, costumes, leotards, cell phones, flip flops, clothing, western wear, greeting cards, scrapbooking, the possibilities are endless!