The Bic Cristal is a popular ballpoint pen known for its simple design and reliability. It features a transparent barrel that allows users to see the ink level, and its medium point writes smoothly on various types of paper. The pen is often recognized for its distinctive hexagonal shape, which provides a comfortable grip. Introduced by the French company Bic in 1950, the Bic Cristal has become a staple in offices, schools, and homes worldwide. It is available in multiple ink colors, including blue, black, and red, making it versatile for different writing needs.