Sack cloth is a coarse, loosely woven fabric made from jute, hemp, or other vegetable fibers. It is often used for making bags, sacks, and other utilitarian items. The term 'sack cloth' is also used to refer to a type of clothing made from this fabric, which is often used as a symbol of mourning or repentance. The term 'BURLAP' is another name for sack cloth, and is derived from the Middle English word 'burlappe, ' meaning 'coarse cloth.'