This product contains a preservative applied as a coating only to protect the product. Antimicrobial properties are built in to inhibit the growth of bacteria that may damage this item. The antimicrobial properties do not protect users or others against bacteria, viruses, germs, or other disease organisms. Click action mechanism. Black ink cartridge with 1.0mm pen tip. 800m writing length. Laser finish is white, non-shiny, with a silvery tint.