Detailed Product Description Ballpoint pen1. Our patent ball pen, write smoothly2. Good quality of refill with certified oil or ink , 0.5mm ,0.7mm and 1.0mm ball , full series of color(highlight) oil for choice 3. Many color barrel can be choice.4.Novel style and good quality with better price .5.custom design and logo printing can be accepted.6.Package:1pc/opp, 50pcs/inner,3000pcs/ctn