In The Dark Yarns Luminous Yarn Hand-woven DIY Hand Woven-in-the-dark Yarn Features: You can also buy a lighter-weight white feather yarn that also glows in the dark. In note, also adds that its blue in the dark yarn is its most luminous color. Introducing this in the dark yarn, a yarn that emits a soft in the color of your choice once its left under the for a while. This particular option offers four 55-yard rolls of in the dark yarn, perfect for your favorite in the dark pair of or other clothing items. The yarn can be machine-washed like most fabrics as its made from 100-percent polyester fibers. Additionally, the polyester makeup gives this in the dark yarn the of being durable enough not to break easily, while being soft enough to be comfortable to the or when wearing. Perfect for in the dark arts and crafts and other lit DIY, this yarn follows a absorption principle like most in the dark products: if you expose it to , whether from your smartphone, a flashlight, candle or the sun itself, then this in the dark will brightly when its brought into a more space. You can also buy a lighter-weight white feather yarn that also glows in the dark. In note, also adds that its blue in the dark yarn is its most luminous color. Product Description: all leght Size: 50m Single size: 12x6.5cm Package content: 1PC Luminous wool yarn Note: : 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!