Pen, Gel, Retractable, Black Ink/Electric Blue Barrel, Sold as 1 each Assembly Required: No, Barrel: Electric Blue , Ink Color: Black, Ink Type: Gel, Refill: Refillable, Retractable: Yes Features: Waterproof, Smear-proof Ink, Cushioned Grip, Acid-free Ink Sold as 1 each