Ballpoint pen is a modern writing instrument. A ballpoint pen has an internal chamber filled with a viscous ink that is dispensed at tip during use by the rolling action of a small metal sphere (usually 0.7 mm to 1.2 mm in diameter) of brass, steel or tungsten carbide. A ballpoint pen is a writing instrument which features a tip that is automatically refreshed with ink. It consists of a precisely formed metal ball seated in a socket below a reservoir of ink.We have many chinese styles Ballpoint pen,such a s 12Pcs Chinese Peking Opera Masks Cloisonne Ball Pen Set, Chinese Dragon Cloisonne Pen, and etc.If you like chinese culture, you can choose one from it, it is a good choice for you .