PIGMENT INK GEL PEN FOR DOCUMENTARY USE A document-class gel pen that meets even the toughest of the documentary standards. Thanks to the ultra ink technology, the writings remain legible and are tamper-evident. Contemporary design and sleek finishes make Gel 1 the Gel pen of choice. The documents written with Dollar's Gel-1:- - Will be timeless and remain clearly legible for decades, - Will not fade away when archived, - Will be tamper-evident against any modifications, washing or even chemical fixing All these strong security features are presented in a friendly design, that gives an immense pleasure to write with.