Attaches to any Lanyard, Zipper, or Key Ring for a Portable Permanent Marker Permanent ink marks that are proudly left on most surfaces, including paper, plastic, and metal. Extremely vivid hues produce striking, lively impressions. remarkably durable ink that dries fast and is resistant to water and fading; AP-certified Fine point is incredibly adaptable and ideal for a wide range of applications in the office, home, and classroom.