The Inkadinkado Embossing Pad uses ink that is untinted and slow-drying for the purpose of achieving the dimensional effect of embossing. Apply your color choice of embossing powder to the stamped image, shake off the excess, then heat set. Raised foam stamping pad measures 1 7/8" x 3 1/2". Plastic case with locking lid. Ink is water-based, acid-free and nontoxic.