Pentel Ballpoint Pen, Retractable, Rubber Grip, Medium, 36 Pens per Display, Assorted (BK440-3) WOW! retractable ballpoint pens offer a three-sided triangular barrel with a soft latex-free rubber grip for writing comfort Click top to advance tip Click side button to retract Ballpoint pens write medium lines Each pen features a stylish transparent barrel and convenient pocket clip