Eyeglass knot width: 1.1 - 1.4 inches (28 - 35 mm); Length: Approx. 20.5 - 21.7 inches (52 - 55 cm); String: Made in Japan; Dimensions used: Approx. 51.2 inches (130 cm); Material: Rayon; Cord thickness: Approx. 0.08 inches (2 mm).
Sold as single string.
Since it is handmade, there may be slight variations in the size of the rings, length etc.