High Elasticity Thread with different kinds of colors and specifications 32#,37#, 42#, 52#. High elasticity thread, surrounding with polyester yarn or nylon yarn, used for sewing, knitting, weaving process. The rubbers are often 5 specifications 23#,32#,37#, 42#, 52#. We can do according to customers' requirements. Sufficient Supplies and Prompt Delivery. White/Black Elastic Thread