Features:1. Package Includes: The package contains 4 / 5 x Glowing Yarn which is enough to ensure you can complete your fiber art.2. Glow In The Dark: Different colored threads will emit different lights, please choose according to your needs. 3. 100% Polyester Fiber: Not easy to break, soft and comfortable enough to touch, each roll is 50m. 4. DIY At Will: You can use it 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.5. More Uses: Suitable for friendship bracelets, crafts, string art, tassels, DIY projects for kids, crafts for kids, etc. Specification:Material: 100% PolyesterColor: Grass Green, White, Light Green, Fluorescent Green, Blue, MulticolorProduct Size: Length: 50m, Thickness: 2-2.5mm Product Weight: 50g Each One Package Included:4 / 5 x Glow in The Dark Yarn