You can use Paper Mate InkJoy Colored Ink Pens at home or at work when you need to color-code documents. Features Paper Mate's revolutionary InkJoy writing system, giving you the best in effortless writing. Starts quickly without dragging, requires minimal pressure from your hand and delivers crisp, clean lines every time. Triangular shape for comfort and control. Transparent color-tinted body for a refreshing look.