Item Type: Glow Yarn_x000D_ Yarn Length: Approx. 50m / 164ft_x000D_ Material: Polyester 1Enough to Use: You will receive 8 rolls of crochet yarn, plenty of quantity, rich color, enough for you to choose and replace, easily meet your daily needs; Also share them with familiy. 28 Colors: Namely white, blue, fluorescent yellow, fluorescent green, green, purple, gray, nude pink, you can choose the right color according to the needs of the woven product. 3Colorful Luminous: Different colors of luminous yarn will emit different light, especially beautiful at night, the luminous effect depends on ultraviolet light, easy to use. 4Use Reminder: Yarn need to absorb enough light to play the luminous effect. If you have a flashlight, you can charge our glow yarn. If not, you can put it in the sun; 5Wide Uses: You can use it to make DIY glowing woven crafts, clothes, and decorations etc., in the dark can emit a soft and beautiful light, to bring a mysterious atmosphere to handmade works.8 x GlowYarn