Tsukineko StazOn Pigment Ink works on all the surfaces that the original StazOn does. Features a specially designed felt pad that produces crisp stamped images in vibrant and opaque colors. The ink dries quickly on most surfaces, including paper, metal, glass, plastic, and acetate. Opaque solvent ink that is acid free and archival safe. Ink pad measures 3 3/4 x 2 1/8 inch.