led pen,light pen,promotional pen The led pen is good for promotion,Light shines when writing.Cuestomer's design are welcomed. led pen,light pen,promotional penPlastic ball pen with LED light,Light shines when writing,Fashinable design on top part,quite suitable for promotion.packing:1pcs/opp 50pcs/inner box 500pcs/ctn meas/ctn:62*35*30cm N.W:16 kg G.W:18 kg led pen