The i-Protect Antibacterial retractable pen with zinc ions is fortified with bacteriostatic technology that inhibits the growth of bacteria over the entire surface of the pen. This prevents the spread of bacteria from hand to hand. the inorganic additive that makes the pen bacteriostatic uses NO biocides or toxic substances. Most useful not just for the medical or pharmaceutical profession, but can assist with infection control in everyone's place of work, play or home. Excellent writing quality for 2000m.