The BIC Intensity Retractable Permanent Marker offers long-lasting, bold color in a convenient retractable design. Featuring the unique Seal Guard Defends Against Dry Out technology, this marker resists drying out even if the tip is left exposed for up to eight hours. Capable of marking on almost any surface, the durable fine point creates crisp, dark marks. Low-odor, acid-free black ink makes this non-toxic permanent marker a great choice for home, school, or office use.