Water-based Chaco Pen Chaco Per Artist Extra Fine Blue Disappears with water Ideal for precise designs and marking - Brand: Chaco Per - Model Name: Artist - Color: Blue - Type: Water-erasable - Country of Manufacture: Japan Thank you for viewing. Purchased on Amazon in January. Although unused, please consider purchasing with the understanding of home storage. Shipped via Yu-Yu Mercari delivery. Price includes shipping. Thank you.