1)whiteboard marker pen 2)Bullet tip(round tip),chisel tip 3)OEM order is welcome 4)14cm length,1.2cm ... color :Black ,Blue ,Red ,Green ink .4.Tip size :5.0mm Chisel tip and Bullet tip available .5.N.W for products:20G6 ... .20 in x11.02 in) Colourful Marker Pen With Double Tip Head 2 In 1 Marker Pen