AA Grade 840D White Glossy Spandex Yarn Specs: 840 Denier 933 dtex Grade: AA N.W: 1kg/unit Packing: 24units/ctn 840D translucent spandex yarn with even dryness and good resilience. Excellent performance in various physical indicators such as breaking strength, fracture, and elastic modulus. spandex, with stable quality and high cost performance, has won praise from customers and market recognition
