The PrevaGuard® Ion Stylus pen is available with an antimicrobial additive - protecting the pen by suppressing the growth of mold and mildew. Comfort on hand-writing and touch screen. Mechanism: Twist-Action, Stylus FREE set-up Covered by U.S. Patent Nos. 8,847,930; 9,092,077 PrevaGuard™ products contain an EPA registered antimicrobial additive that is molded directly into the pen’s plastic components. This helps protect the pen by suppressing the growth of mold and mildew which cause unpleasant odors, discoloration, staining, deterioration or corrosion only. PrevaGuard™ products contain an antimicrobial additive that enhances product freshness, fights undesired odors, staining and product degradation PrevaGuard™ products contain an antimicrobial additive that should last the life of the plastic, unless the plastic is destroyed Add the PrevaGuard logo to your artwork at no additional charge. Please be sure to specify "Print the PrevaGuard logo" on your order. (PrevaGuard imprint defaults to lower-left