Swarovski 2201 Marquise non hotfix flatback crystals in Crystal AB are genuine Austrian-made rhinestones. Available in 4mm, 8mm and 14mm, in packs of 4 and 10 and wholesale packs of 72, 144 and 720. The Aurora Borealis coating adds a rainbow iridescent shimmer shifting between pink, blue and gold tones as the angle of light changes. Suited to bridal accessories, border work on dancewear, costume design and structured jewellery.