This versatile stamp pad features fast-drying, solvent-based pigment ink that works on a variety of surfaces including paper, glass, metal, shrink plastic, cellophane, aluminum foil, leather and acrylic. You will achieve a beautiful stained glass appearance due to the transparent nature of the ink. Mild smell and quick drying. Acid-free and water soluble for easy clean up. The ink pad surface is 3 x 2 inches. Raised surface allows for inking up any size stamps!