Flame retardant sewing thread produce by meta-aramid. color can in any color,with high tenacit. Abrasion-Resistant Flame retardant sewing thread produce by meta-aramid. 1.color can in any color,with high tenacit. 2.Abrasion-Resistant 3.High temperature resistant. 4.Any yarn count, such as 20s,30s,40s,etc 5.Any percentage for aramid.