P1 antibacterial pen, blue ink. This pen inhibits and prevents bacterial growth throughout all the body, thanks to silver ions. Ideal to improve hygiene at hospitals, school, in the office, in environments in contact with food and sanitary environments. White barrel with turquoise push button and clip. Approximate writing length of 1,200 metres. 1 mm tip. Ink manufactured in Germany. Original design, created by MILAN’s own R+D department.