The Ink Pads are water-reactive dye & pigment ink fusion that creates an oxidized effect when sprayed with water. Use with stamps, stencils, and direct to surface. Blend using Ink Blending Tools and Foam. Re-ink using Distress Oxide Re-inkers. Ink pad measuring 3 x 3 inches (7.5 x 7.5 cm) raised felt ink pad.