Roman Shade Lift Cord 1.8 mm Cord 100 yds 1.8 Small diameter makes it inconspicuous. Cords are braided to minimize stretch and reduce friction 1.8 mm has 155 lb tensile strength. 100 yard roll All cords are braided to minimize stretch and reduce friction. Shade cord is great for sewing micro cord when sewing window treatments FREE SAMPLE of New Child Safety RingLock to prevent cord accidents