Charges best with natural, full spectrum, fluorescent, or black light
100% polyester - Machine wash / Dry flat
This 4-ply fingering weight yarn is great for all kinds of craft projects. It is white in color but glows green in the dark. Charges best with natural, full spectrum, fluorescent, or black light. Takes only a few minutes to charge and glows for an hour or more. The glow strength is stronger at first gradually fading to an after glow over time. Each roll is 50 grams - about 120 yards 100% polyester Machine wash / Dry flat Fingering weight - 4 ply