Designed for use on shiny papers, Brilliance dries to perfection on vellum, mica, acetate, photo papers, sculpey clay, shrink plastic, and much more! Brilliance is the solution to all your tricky pigment stamping problem. Pad measures approximately 2 3/8″ x 3 3/4″, which is the perfect size for any stamps that you may purchase! Brilliance is an “archival” ink.