Retractable ballpoint pens feature Paper Mate's revolutionary InkJoy writing system, giving you the best in effortless writing. The InkJoy writing system starts quickly without dragging, requires minimal pressure from your hand, and delivers crisp, clean lines every time. Extended rubberized grip provides optimal comfort. Metal clip provides long-lasting durability and can be used to attach pen to pockets, notebooks and more. Transparent color-tinted body of the InkJoy 300 RT offers a refreshing look. Assorted colors include black, blue, red, green, orange, pink, purple and turquoise. Black and blue pens are refillable.