Pentel ColorBrush Pen medium size with the black cap. Construction - 7/10 Brush quality - 9/10 Water test - 9/10 Overall satisfaction - 10/10 You can purchase the pen here - www.jetpens.com... refills - www.jetpens.com...
As you draw the brush will dry up naturally unless you squeeze to replenish the ink. Or, you can use a paper towel to dry off the brush just like with a non-cartridge brush