Dark Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1640), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool It’s no easy task

It’s no easy task

* POLYNEON #40

This tape disappears nicely in the bottom hem

Be especially cautious with front-loading washers as the intense spin cycle on these machines can be very hard on all elements of your quilts

not fabric snips

Dark Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1640), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool It’s no easy taskFire Fighter is a fire resistant embroidery thread that was developed for fire and safety. Applications include aeronautics, utility services, motorsports and other fields where safety standards are required. Fire Fighter flame resistant machine embroidery thread is made from 100% Aramid which contains Nomex branded fibers from Dupont. Madeiras Fire Fighter embroidery thread complies with ISO standards ISO 6941, ISO 15025 and DIN EN ISO 11612 D + E.