The Watermark Inkpad by Tsukineko contains clear watermark ink. You will not believe what you can do with just one ink pad! A necessity for every crafter. Easy for beginning stampers to use, but versatile enough for experienced stamp artists to create unparalleled masterpieces. VersaMark allows you to perform a number of amazing techniques including tone on tone images!Details:Clear2.5" x 3.75" ink pad sizeWater-based inkAcid freeNontoxic