Amazon.com : Pilot V PEN - Erasable Disposable Fountain Pen - 0.6mm Nib Tip - Medium Line - Pack of 7 - Black, Red, Pink, Violet, Blue, Peacock & Green : Office Products
Amazon.com : Gullor 2879 Erasable Ink Fountain Pen with Overwriter (Contain 4 Blue Ink Cartridges) : Office Products