Description:100% Brand New and High QualityGlow in the dark embroidery thread will glow in the dark.This thread is anew kind of textile material with Eco-Friendly.For Machine Embroidery/SewingFeatures:Color: 1000 Yards: Purple, Pink, White 3000 Yards: Yellow, Middle-Yellow,BlueMaterial: Polyester fiber + noctilucent factorThickness: 150D/2It could give out light continuously at night over 12 hours after absorbing the visible light for10-15 minutes.Therefore,it is widely used in developing new textile products and exquisite products.To get a good glow effect, use thread liberally. The more thread you put in an area, the more glow you will get. If only partial Embroidery Thread absorb natural or artificial light is not enough to get a good effectPackaged:1 x Luminous Sewing ThreadNote:Please be reminded that the color of the picture and the actual item could be slightly different due to the different monitors and lighting effects.