A microfiber edge sewing line is 100% microfiber ingrident.And colors can be customize dyed based on customerss' requirements.The elstic ability of the line can be high elstic, middle slastic and low elastic.The diameter of the sewing line can be 300D, 150D or 200D. A certain sewing line wih different stiching style will contricute to be a particular edge effects on a microfiber towel.