Reflective thread from Prym.
Reflective thread can be knitted or crocheted into your projects. Use it on a knitted hat and scarf, and thus become more visible in the dark and in traffic.
It can withstand wash at 30 degrees.
Quantity: 50 meters
Thickness: 0.5 mm
Tasha
Exactly what I was looking for! I haven't actually used it yet, but I am going to when I start my next hat project.