Serinity 2304 Raindrop non hotfix flatback crystals in Crystal are Austrian-made crystals. Available in 6mm, 10mm and 14mm in retail packs of 2 and 6 and wholesale packs of 96, 180 and 360. Crystal is a clear colourless rhinestone that reflects all wavelengths of light equally, producing a bright white sparkle suited to any colour palette. Suited to bridal accessories, jewellery making, dancewear and costume design.