This two piece thin metal die set, Slimline Happy Birthday is from Paper Rose. This die set includes the words happy and birthday in a script font with tails on the ends of the words. These dies are compatible with leading die cutting machines (sold separately). Due to the intricate design, a metal shim (sold separately) may be required in some machines. Each die measures 6" x 1.5", and they fit perfectly on slimline cards. You can also use these dies on scrapbook pages and other paper crafting projects.