Pentel Arts Sunburst Metallic Gel Pen, Medium Line, Permanent, Violet & Pink Ink 2 Pack Carded (K908MBP2VP) Sparkling metallic gel ink allows you to energize your writing 0.8mm metal tip writes smooth, medium lines Acid-free gel ink is permanent, waterproof, and fade proof AP certified by ACMI Pack of 2 - Violet and Pink