Although it looks like ordinary yarn during the day, but these luminous yarn can emit beautiful glow during night after absorbing enough sunlight during the daytime, bringing you a fresh nighttime visual experience.

Package Included: 5 rolls. Different color will emit different lights, please choose according to your needs.

Diameter: about 0.08"(2mm), length: about 55yards(50m). Long enough to ensure you can complete your fiber art.

Premium Material: Polyester yarn and eco-friendly dyes. Super soft polyester material. With fine workmanship, not easy to fade, shrink or pill after washing them.

Easy to Use: Convenient and simple to use. Just place it under the sunlight about 20-30min before use. Let it fully absorb the light, so that it can be more shiny at night,makes your sewing and knitting crafts more eye catching.

Wide Range Of Applications: It can be used in a variety of DIY craft projects, like knit scarf, shawl, sweater, hat, socks, gloves, shoes, seat mat, etc. You can mix and match different color to weave colorful little items. Just use it to decorate whatever possible you can try.

Best DIY Knitting & Crocheting Gift: People who love knitting and crafting would like this pack since it is easy to use and beginner-friendly, suitable as gift for your friends,family, colleague, neighbors, classmates or lover on Halloween, Christmas, Valentine's Day, Birthdays, party and so on.