• 40wt Glow In The Dark Polyester Thread.
• Wonderfil Ahrora 40wt Polyester Glow In The Dark Thread is designed to glow brightly in the dark.
• Ahrora can be used on anything from art quilts to costumes to embroidery and is a fantastic way to add another dimension to any project.
• Just switch off the lights to see your stitching light up. Leave it in the sun or under a bright light to recharge for a stronger glow.

Please note that the color of the thread when it is glowing can be very different from when it isn't.