Replacement drawstrings are made of polyester cotton which is breathable and soft, lightweight and durable, the string end is sealed by metal which is easy for you to thread and use, not easy to be broken. 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. Features - Color: As shown.- Material: Polyester cotton.- Size: About 135.00X0.50X0.50cm/53.05X0.20X0.20in- Replacement drawstrings made of polyestercotton which is breathable and soft, lightweight and durable, the string end is sealed by metal which is easy for you to thread and use, not easy to be broken.- 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.- Applications: the replacement drawstrings are suitable for yoga pants, exercise suits, coats, sweatpants, shoes, hats and so on, the easy threader can be applied for threading strings or ropes in daily life or dealing with emergencies when needed.- Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Packing list: 4 x Drawstrings