NCMORIN - FREE SHIPPING 300 feet 0.9mm Light Gray Window Blind Cord, String - Honeycomb & Cell Shades Blinds 300 feet of 0.9mm Blind Cord - Light Gray Color - Replacement Cord Search using NCMORIN STRING in Amazon search for my other string colors This diameter cord is used on Honeycomb, Cell & Pleated Shades, Blinds Polyester cord - resists effects of sunlight better than most other cords. Wound on a spool to eliminate tangling