GUTERMANN Sulky GLOWY 40 Embroidery Luminescent Thread – 100m

SULKY Glowy 40 is a universal Machine-Embroidery Luminescent Thread that actually glows in the dark!

• this Thread stores sunlight and UV light and then glows in the dark
• the duration of the light exposure determines the intensity of the luminosity
• should withstand up to 50 wash cycles without reduction of luminosity
• recommended to use: Machine Embroidery Needle NM in size 75-90