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