Thread No.: 20/2, 20/3, 20/4, 30/2, 40/2, 42/2 Package: paper cone yarn, dyeing tube yarns Details: paper cone--about 1.67kg /cone, 15 cones/bag, 25kg/bag dyeing tube--about 1.25kg /cone, 20 cones/bag, 25kg/bag Fiber: polyester virgin fiber 1.33d*38mm, bright fiber Production: 800--1000 tons per month. Usage: The polyester yarn 20/2 and 20/3 may be called denim cords. The cords are thicker and have higher strength. They are mostly used for denim, bags, and so on. . The yarn 40/3 is used for thicker fabrics, such as fabrics, etc.