Antibacterial Ball Pen with Click Action Mechanism with a Silver Nano Powder Additive, Which Reduces the Growth of Micro-organisms on the Surface of the Pen. Ideal Ball Pen to Use in Places Such as Schools, Hotels, Sports Clubs, Bars, Offices, Hospitals, Banks, & Other Environments Where Sharing a Ball Pen is Common. Tested in Accordance with Iso 22196 2011. Abs Plastic. Minimum Quantities Apply.