1.Production introduction
Special gel ink allows erasing your writing by friction with pen tail

EN71-9/ASTM D-4236/MSDS...
Welcome to buy the friction erasable gel pen in black/blue/red, 3 colors with our professional manufacturers and suppliers in China. We will offer you cheap price and excellent service.China Friction Erasable Pen manufacturers
website:http://www.xmliviya.com/friction-erasable-pen/