This 92 piece set of Thinlits dies are designed by Lisa Jones for Sizzix and are called Essential Type. These dies include bot the upper and lower case alphabets along with 4 of the most commonly used punctuation marks. These dies are wafer-thin, chemically etched dies designed to cut through a single sheet of cardstock, paper, vellum, or foil. The dies are compatible with leading die cutting machines (sold separately). Each of this letters and symbols measure 3/4" tall.