<b>Features:</b><br> <br>- Size: 1.5mm in diameter and 20” in length, with an extra 2” extension chain <br>- Material: Waxed cotton <br>- Weight: 1.65g/0.0036lb each cord <br>- Color: Black <br> <br><b>Ideal for jewelry marking</b><br> <br><b>Package Included:</b><br> <br>- 100 * 1.5mm Black Necklace Cords