Multifunctional Ball Pen: Size ball pen L 7.2cm, extension L 13.5cm ; Material is plastic&metal; It has bottle cap opener and fruit knife and LED light and pen 4 functions; And it can folded; Can do customized Color; Fashion deisgn and multifunction; It is a good choice for promotion and office and it can easy your life; 1 color 1 location; Setup charge $50.