Posca is popular for its vivid colors. It can also be written on plastic and metal. Fine print can be written in fine print. Since it is water-based, it does not smell unpleasant.

POSCA is opaque, so it develops vividly regardless of the color of the base. You can write clearly on dark colors such as black and dark colors. Once it dries, you can overwrite it, and the ink color underneath will not show through. You can write not only on paper, but also on various things such as plastic, metal, glass, and photographs. It has excellent water resistance and will not flow into the water if it dries. Since it is a water-based ink, it does not have a peculiar unpleasant smell. In addition to crafts with imitation paper, you can draw pictures on stones, and you can freely draw wherever you want because of POSCA. It can also be used to make pop in the workplace, and it is easy to use.