Features 100% Brand New. Color: black flexible Material: Nylon + rubber band Package Content: 1set Kindly Tip: 1. Conversion: 1 inch= 2.54cm Size Approximately : These size is about Asian Size,general get one size smaller than US/EU size,Please reference to the size chart in the picture. Item Measure by hand, it could be 1-3cm different. hope you can understanding, will be sincerely appreciated. 2 .Please be reminded that due lighting effects, monitor's brightness/ contrast settings etc, there could be some slight differences in the color tone of the website's photo and the actual item.