This multifunction ballpoint pen let you switch from one color to one of three others with the push of a finger. Pen offers four colors in one pen, and each color is in a retractable medium point. Tungsten carbide ball is a perfect sphere and very resistant and delivers a quality, quick-drying ink for smooth writing. Each 4-Color Grip ballpoint pen also features a comfort grip and a ring at the top to attach the pen to your lanyard (sold separately). PVC-free ballpoint pens are refillable.