1:Thread is made from best 100% pilyester yarn with high ... or more plies are then twisted together to produce a thread of the desired size. Many different finishes (such as ... , and silicone-free) may be applied to spun polyester thread to enhance the sewing performance for specific applications. Spun polyester ... 50S/2, 50S/3, 60S/2, 60S/3 Yarn count Usages 20/2 Jeans ,shoes,caps,leather products,etc 20 ...