Description:Size: 0.9 mm.Important: Do NOT measure the cord with a caliper to determine the size.To select the size of cord you need, wrap your current unfrayed cord around anything round (like a pencil) 10 times (please see photo #2) and measure the width of those 10 strands and then match it with the list below:0.9 mm: When wrapped 10 times, the approximate width is 3/8".1.2 mm: When wrapped 10 times, the approximate width is 1/2".1.4 mm: When wrapped 10 times, the approximate width is 9/16".1.8 mm: When wrapped 10 times, the approximate width is 11/16".2.0 mm: When wrapped 10 times, the approximate width is 3/4".2.2 mm: When wrapped 10 times, the approximate width is 7/8".If the cord size is labeled in the photo, please note, it’s very difficult to represent the actual life size of an object in photographs. Mostly used on Honeycomb Shade, Pleated Shades.Polyester cord - resists effects of sunlight better than most other cords.Cords are braided to minimize stretch and reduce friction.Length: 25 ft. 50 ft. 75 ft. 100 ft. 125 ft. 150 ft. 175 ft. 200 ft. 250 ft. or 300 ft. Color: WhiteMultiple purchases will be sent as one continuous length.Warning: the cords on certain products present a potential strangulation hazard.Shipping:FAST FREE SHIPPING. Most orders ship same day.Free delivery confirmation for fast and safe delivery. Thanks for shopping with us.