Collector's Edition with 4 BIC Cristal Original pens, a version of the best selling pen in the world. These BIC Cristal Collection pens have a practical and versatile color: blue. The body on these lightweight pens features a fun geometric design. With a medium nib of 1.0 mm, these pens are suitable for any type of use and provide clean, smudge-free writing. Known for their strength and durability, these pens go on for a long time. At BIC, products are built to last.