Rainbow iris iridescent sequins have a multicolored effect over the main color. They also are fluorescent under black light. The stunning color in these sequins makes them an ideal choice for embellishing with colorful designs. Size and pack specifications: 8mm is approx 1/3". Approximately 500 sequins per pack. Made from premium quality material, in colors ranging from delicate to intense! Great for sewers, skaters, costumers, theatrical productions, pageants, ice capades and bridal wear. Made from premium quality material.