42#, 5grams.elastic thread Size:37#,42#,52#,63#,90# sample free ... Cover almost all kinds of the high quality elastic thread, spandex thread,latex thread, rubber Thread etc...3. Widely used for garments, shoes,ties ... 90#,100#.110#......Spandex:420D,560D,840D,1120D...Polyester yarn:50D,75D,100D,150D,300D...Polyester thread:20/1,20 ... 50D,75D,100D,150D,300D... 42#, 5grams.elastic thread.China Manufacturers