Archival inks provide lasting stamping results that are permanent on many surfaces,Get a crisp image that does not bleed over water-based inks and markers, acrylic paint, water colors,Acid free, non-toxic, waterproof,Permanent on matte and gloss papers, air dries on matte surfaces and heat set on glossy surfaces,Available in jet black color RANGER-Archival Ink Pads. The ink pads provide lasting results. They will not deteriorate paper or precious photographs, they will not bleed when painted or brayered over with watercolors, water-based inks, markers or pearl pigments. These inks are fade resistant, water resistant, acid free, non-toxic and permanent for paper-heat set for permanence on non-porous surfaces. These pads feature removable hinged lid, raised stamping surface, and measure 2-3/4x4in. Made in USA.