The BIC blue vivid marker is a permanent marker and has a fine 1.0mm bullet tip. Suitable for use where thinner lines are required. The blue ink is low alcohol based and writes permanently on most surfaces such as plastic and wood and can withstand water and dries instantly. Ideal for use at home, outdoors or in the workplace. •Fine 1.0mm bullet tip marker •Blue low alcohol based ink •Is permanent on most surfaces •Waterproof and dries instantly