Writing Width: 0.05 inch (1.2 mm) (minimum) 0.1 inch (3.25 mm) (max) body with grip for a good color. Can be used for personal or commercial use. BICs Pioneer: Big pioneers of use ballpoint pens in 1945, Marcel Big, founded BIC in France with Edouard Buffer. Invented in the United States in 1888 by John J. Rude, the ballpoint pen was handed down to Hungarian Radislas Pilo. With anticipating a lot of potential in a ballpoint pen, Big has purchased a pilo patent and continues to improve the release of the worlds first used ballpoint pen "Big Crystal". "Reliable ballpoint pen at a low price" that quickly penetrates big brands into the catchphrase Later, in 1961, the long-selling ballpoint pen (Big Orange) is now available. In 1970, a multi-colored ballpoint pen was born. Small character, Big Boy: The big boy was designed by renowned French poster artist Rayon Savignac who advertised big at the time in 1961. As a character to get your kids interest towards a new ballpoint pen, the young elementary school with a ballpoint head and a pen on the back. Big Boy has been working around the world with BIC products as a symbol of the BIC brand.