Description This A4 size Kyoei soft green writing mat is 1.2mm thick, and slightly flexible. A shitajiki, also known as an under-sheet, is a writing board that you slip under a sheet of paper to provide a smooth writing surface and protect the sheets below from getting dented or smudged by your writing. This product is made in Japan. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.