The black ballpoint pen is made of high-quality environmentally friendly plastic. The color of the shell is transparent, suitable for learning, office and gift giving. The refill of the black ballpoint pen adopts a professional ballpoint pen head, which is smooth in writing and even in ink control. There is a concave-convex texture design at the handle of the pen body to prevent it from sliding when writing. The origin of black ballpoint pen is Yiwu, Zhejiang, and the wholesale price is0.1-0.2 dollar/ branch, packing specifications1728 support/ pieces, minimum order quantity is1 member. The switch of the nib of the black ballpoint pen adopts the pressing type, and the nib is equipped with a plastic hook, which can be hung conveniently in the clothes pocket.