Click action pen with stylus tip. Colored barrels with silver Accent. Complies with JIS Z 2801: 2010 Specification for antimicrobial activitya and efficacy of antimicrobial products. White barrels with color accents. Manufactured with an Antimicrobial and/or antibacterial additive which fights bacteria growth on the product’s surface. Neutralizes over 99% of active bacteria on product's surface. Additive does not wear off and remains effective for the life of the product.