SOFT QUALITY MATERIAL DRAW STRING - Made of cotton fabric it’s breathable, soft, lightweight and long time of use. Replacement drawstrings: made of cotton which is breathable and soft, lightweight and , the string end is sealed by metal which is easy for you to thread and use, This replacement drawstring is made of and materials for use. Method of using: thread the string into the larger eye or small eye according to the thickness, fix it and then insert the threader into your clothes until the complete string pass through