THE DETERMINATOR! The probably most resistant effect sewing thread worldwide. Can be washed up to 95 ° C. Even chlorine- and peroxide-containing detergents are no problem for FS No.12. This extremely robust thread is ideal for all effect seams on heavily stressed materials, especially for innovative functional fabrics of the leisure and sports goods industry. The metal coating of pure silver gives the decorative seams on fashion accessories and accessories a classic elegance.