Quickly switch between blue, black and red ink with the click of a button. The high-quality liquid gel ink writes smoothly and easily on any type of paper. Latex-free grip helps you to write with comfort and control. 33test33 Quickly switch between blue, black and red ink with the click of a button. The high-quality liquid gel ink writes smoothly and easily on any type of paper. Latex-free grip helps you to write with comfort and control.