bracelet pen darkness light wrist bracelet pen, it will be the next fashionable promotional gift in the world,: firstly, it can be colorful wrist with printing like silcon wrist, but is much better shape than silcon wrist band. secondly, it is a easy to be taken and writen ball point pen. more fun: it has a strong dark lighting effect in night or darkness place, it is welcome by children and audlts.
