... light pen 2.Can imprint logo on the tube 3.nice promotion gift item 4.OEM/ODM,fast delivery. 1,desctiption1),pen name;led light ... pen2), Color:black,red,blue,green,orange,gray,pink 3),material:plastic4),Use;gift,promotion,school ... specialized in produce various kinds of LED light pen,projector pen,projector flashlight,light up products,light up toys,promotional gifts.