Anti-bacterial ballpoint pen and stylus with twist action mechanism. This pen has a silver nano powder additive, which reduces the growth of micro-organisms on the surface of the pen. Colours: Black and Blue. Sizes: 135mm x 15mm. Features: Ideal ballpoint pen to use in places such as schools, hotels, sport clubs, bars, offices, hospitals, banks, and other environments where sharing a ballpoint pen is common. Tested in accordance with ISO 22196 (2011). Black ink cartridge with 1.0mm pen tip and 500m writing length. Packaging: Bulk Packed. Materials: ABS Plastic