Pentel Sunburst Metallic Gel Pen, Medium Line, Permanent, Gold, Silver, Bronze Ink Pack of 3 (K908MRBP3M) Sparkling metallic ink creates dazzling lines on many different colors of paper Permanent, waterproof, fade proof and acid-free for a lasting impression Sturdy, well-balanced barrel makes this a fun pen to use Escape writing fatigue with our latex-free comfort zone grip 0.8mm tip writes medium lines