Product details:

Thick cotton cover and synthetic core. Makes a great clothesline rope. 1/4" is typical window sash size. Made in the USA. Working Load 105 lbs. Our most popular cotton sash cord. Cotton sash cord has a high quality, thick cotton cover with a polished smooth finish. There is a synthetic core to reduce stretch and add strength. Cotton sash cord is the upgrade from a clothesline and when used as a clothesline will last many years. This cord can be used as sash cords in windows. The typical thickness is 1/4".