After being exposed to either natural or artificial light this 40 wt. polyester thread will glow up to 6 hours! Have fun quilting or embroidering messages and images on pillows, quilts, pajamas etc. Washer and dryer safe. 80 yd. spools
Use Bottom Line or So Fine#50 in the bobbin.

Recommended needle:

Topstitch 90/14 (Domestic machine)
#18 or #19 (MR4.0 - 4.5) (Longarm machine)

Recommended top tension:

3.0 - 3.5 (Domestic machine)
Loose on top and bobbin (Longarm machine)