Cotton threads are made by spinning together lengths of cotton staple into single bundles called plies. Two or more plies are then twisted together to produce a thread of the desired size. Many different finishes may be applied to cotton threads to enhance the sewing performance for specific applications. Cotton threads provide good sewing performance, but their strength and abrasion resistance are inferior to polyester threads of equal size. Cotton threads are the primary threads used in overdyed cotton apparel.Dunhuang brand cotton thread is dunhuang company short-staple cotton sewing thread. This product has been designed for general seaming or serging of light to medium weight garments, and may also be used for garment overdyeing Features: 100% natural cotton fiber -- Biodegradable, highly absorbent and static resistant Available in mercerized -- Greater strength, luster and increased dye affinity for garment overdye Also available in soft and glazed finishes -- For your specific sewing needs Low elongation -- Tighter seams that resist seam grinning Stable at higher temperatures -- Excellent needle heat resistance Stocked in nonoptically brightened white -- For garment overdye applications