Fiber optic hair lights! The ideal party accessory. Girls absolutely love them! New Years Eve - Sparkle at Midnight! Mardi Gras - Fun hair accessories; Green Violet and Gold. St Patrick's Day - Special Green Glowbys and packaging. 4th of July - Red-Blue; Like fireworks in your hair! Halloween - the perfect costume accessory; and easy to be seen at night! Princess Parties - Princess Pink! Birthday parties - Girls' favorite party favor! Weddings & Prom - Crystal Tresses, elegant Swarovski crystal hair strands!