GLOW YARN (5 balls per set) This price is for a set of 5 balls. You are free to choose the color combinations and quantity. Please comment before purchasing. You can buy from 1 ball. 11 colors: 001 002 003 004 005 006 007 008 009 010 011 This yarn glows in the dark after absorbing light from sunlight or fluorescent lights. The strength of the glow effect varies depending on the color. 100% polyester Yarn width: 2-2.5mm Approx. 50g Approx. 70M Thank you.