1. The for key chian strap design with coil cable compact and with black color, come with a clip, you can clip the keys on the belt, or other place in other to make your keys more safty. 2. Also a good to decorate your phone or other device with eyelet. Strap Size(Not Stretch) : 20 x 1cm/7.8" x 0.4"(L x for W)