With four colours in one pen, the Bic 4 Colours Ballpoint Pen is a versatile choice for teachers, editors and other users. It features four smooth sliders at the top of the barrel for easy selection between black, blue, red and green ink. The chunky blue barrel provides a firm grip for comfort and control. The pen has a medium 1.0mm tip for a 0.4mm line width. This pack contains 12 pens. With this promotion, when you buy a pack of 12 Bic 4 Colours pens, you get a pack of 12 Bic Marking PRO Permanent Markers with black ink absolutely free!