Retractable Gel Pen, 0.7mm, Black Ink/Emerald Barrel, Sold as 1 each Assembly Required: No, Barrel: Emerald , Ink Color: Black, Ink Type: Gel, Refill: Refillable, Retractable: Yes, Tip: 0.7mm Medium Gel Ink Pen, Tip Size: 0.7mm Features: Waterproof, Acid-free Ink, Fade Resistant Sold as 1 each