This Ranger® Archival Inks™ stamp pad provides beautiful, lasting jet black color. The archival quality ink won't deteriorate paper or precious photographs. It does not bleed when painted or brayered over with water colors, water-based inks, markers or pearl pigments. The ink is contained within a raised felt pad for easy stamping, and the case features a removable hinged lid. Acid free, non-toxic, fade resistant, water resistant, and permanent on paper. This #3 jumbo sized ink pad measures 5 x 6.75 x 4.75 inches. Conforms to ASTM-D4236. 1 piece per package.