Features: brand new and high quality Luminous yarn is-made of polyester fiber material, soft and lightweight, not easy to break. Glow in the dark yarn, designed with a-thickness of approx 3mm/0.12 inches, length of approx 25m/98.43 inches. The crochet yarn for crocheting can shine light in the dark, different colored yarn will emit different lights, thus can bring people visual enjoyment. You can expose the yarn to the sunlight or the flashlights, which can make it shine more brightly. You can use luminous yarn to decorate anything you can think of, make luminous hats, scarves and hoods for nighttime adventures, or add fun embellishments to clothing to make your items look cool. The crochet yarn for crocheting are practical gift for crocheting enthusiasts, like your friends or family members, to show your support for their hobbies at their birthdays, Christmas, Thanksgiving Day, Halloween and more. Specifications: Material: Polyester Fiber Length: approx 25m/98.43 inches Thickness: approx 3mm/0.12 inches Color: 1/2/3/4/5/-6/7/8/9 Package Includes: 1x Luminous Yarn note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic-may not reflect the actual color of the item.