Fantastic for stamping and scrapbooking. Actual stamp pad size is 7.5cm x 4.5cm. Fast-drying ink, these dry to perfection on vellum, mica, acetate, photo papers, sculpey clay, shrink plastic, shiny papers, cardstock, tissue, wood and much more. They are acid-free, fade resistant, non-toxic and of archival quality. Graphite Black is a Matte colour.