You will love this set of six Clean Color Dot Single Tip Markers from ZIG and Kuretake. These markers come in six mild smoky colors and are designed for doodling and drawing, and making dots. The amount of pressure you apply to the marker determines the width of the dots, they can vary from 1 to 5 mm wide. You can also make brush-like strokes with these pens depending on the pressure also. These pens contain water-based, pigment-based, lightfast ink in mild colors. These pens also work great for highlighting.