This is the easiest envelope maker on the market! Just score and punch. The two-way envelope punch creates fold tabs and round corners. It is easy to create designer envelopes in dozens of sizes. Printed on the punch board are a variety of cards sizes, paper sizes, and the score lines. This 11x10 inch package contains one 6.75x10.5 inch score board, two- way envelope punch, bone folder and measurement chart.