Black inlay gold ink for ballpoint pens unique formula keeps the mouth moist, living longer, writes smooth, the color is black. Black inlay gold ballpoint pen is Zhejiang Yiwu market wholesale price for 3.5-4.0 / , case of 500 / piece, minimum order quantity is 1 piece. Black inlay gold ballpoint pen skin without any harm to the human body, barrel and streamlined design, and writes very smoothly. Black inlay gold ballpoint pen Shell odorless non-toxic, unbreakable, without distortion, friction-resistant and made of high quality materials.