Charcoal Gray Color, Classic Rayon Machine Embroidery Thread, (#40 Weight, Ref. 1239), Various Sizes by MADEIRA Options:# 40 --- 5500 yards CONE * Pre-washing is not recommended

* Pre-washing is not recommended for this batting

- Restores blades to the perfect cutting edge

Works with all popular needle sizes

This practical guide covers sewing tips for dressmaking

- Let dry 2-4 hours

Charcoal Gray Color, Classic Rayon Machine Embroidery Thread, (#40 Weight, Ref. 1239), Various Sizes by MADEIRA Options:# 40 --- 5500 yards CONE * Pre-washing is not recommendedClassic Rayon thread is known for its high tensile strength and excellent glossy luster. Made from 100% viscose rayon, is perfectly suited on high speed (with multi head), industrial or commercial embroidery machines, and also for use on home embroidery machines. Classic Rayon thread maintains its soft "hand" even when the stitch count is high. Madeira Classic Rayon Threads are Oeko Tex certified to be free from harmful substances. * Color: Charcoal