Madeira Firefighter No.40 Embroidery Thread

Fire Fighter No.40 is made of 100% fire-resistant Aramid fibres containing DuPonts® Nomex® and complies with STANDARD 100 by OEKO-TEX®. The thread is designed to resist ignition and prevent flames from spreading, as well as to self-extinguish once the source of the fire is removed.

24 colours on 950m mini snap cones. 

For best sewing results we recommend the use of needle size #75/11-80/12.