Usew 1/8-Inch (3mm) Black Heavy Stretch Round String Elastic Cord (Cut of 10 Yards)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter:3 mm (1/8 inch)</li><li>10 Yards in Length</li><li>Round elastic Cordingy</li><li>Color:black</li><li>23% polyester， 77% rubberr</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51pgyhHPCGL.jpg" noproxy>