Isacord - Polyester Embroider/Sewing Thread - Color # 4531

Isacord thread, made from 100% polyester and available in generous 5,500-yard cones, is crafted for high productivity and durability, making it the top choice for professional embroiderers. With nearly twice the strength of rayon, this polyester thread provides a smooth, reliable run, even at high speeds, with minimal breaks. Its shine rivals rayon, thanks to a unique fiber design. Resistant to washing, boiling, chlorine, and abrasion, Isacord is ideal for tough textiles like workwear, sportswear, jeans, and leather.