Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1918), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool around the widest part of

around the widest part of the back of the head

We recommend quilters test this wool batting with their chosen fabric(s) to see if ‘darkening’ will be an issue

reducing sunscreen application in the neck and head areas

* Color: Smokey Quartz

Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1918), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool around the widest part ofFire 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.