1)permanent marker pen 2)Bullet tip(round tip),chisel tip 3)OEM order is welcome 4)14cm length,1.5cm diameter 1)marker pen ,different colors2)Bullet tip(round tip),chisel tip3)OEM order is welcome4)14cm length,1.5cm diameter5)Smooth writing, sharp color, quick to dry6)Packing:12pcs/color box 960pcs/ctn