Ranger AIP-30669 Archival Inkpad, Viridian 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 viridian color