BIC Intensity Permanent Marker is a durable permanent marker with bold, long-lasting color. Each marker features a unique snap cap with a vapor seal locking mechanism to help prevent dry-out. Ideal for labeling, arts and crafts, creating posters, and more, each marker features a soft, non-slip grip that offers comfort and enhanced control, while the durable fine point creates precise marks that stand out. Capable of marking on a wide variety of surfaces, this low-odor, non-toxic marker has acid free ink, making it a great choice for use at home, school, or the office. Made in the USA of US and foreign parts. No added acid; no measurable pH.