immediately after contact with the paper. The ink used in the pen wets the ball under its own weight. So when you put the pen up with the ball, it stops writing. Despite their differences, as well as price, their function is the same - to write or paint with them. In the production of luxury pens, for example, there is a great emphasis on their stylish and beautiful design and, moreover, in most cases they are served in an equally luxurious box. Most of them have a water-based liquid ink tank. In this case, no pressure is required, as the ink enters the pen automatically. The multifunctional ones represent several different types of pens, and the combined ones include different colors. The pen may be needed even in the most unexpected moment, so it's good to have the popular writing instrument at hand at all times.