This Parker Pen Company Fountain Pen Writing Ink in Emerald is a great addition to any vintage pen collection. The 50ml bottle provides ample amount of ink for frequent use. The green ink color adds a pop of color to any writing. This fountain pen ink bottle is a featured refinement and is made of glass bottle material. It is perfect for those who enjoy collecting vintage pens. This item is a must-have for any pen enthusiast. Made in England