... optical strands to 14"Available in various colorsProduct DescriptionColor: Rainbow New, improved Glowbys with 25% smaller barrette for an even ... in your hair; 14" fibers, smaller CR1220 batteries. Otherwise, New Glowbys are exactly like the original Glowbys. Light up your ... , raves, festivals, weddings, and more! The ideal accessory for New Years Eve, Mardi Gras, St Patrick's Day, Burning Man, etc ...