... OK! we are a professional paper products factory! coloring book sise:21.2*14.3cm cover:200gsm coated duplex ... ,4 color printing,glossy surface inner:70gsm wood free paper,8sheets,1×1C printing bind:saddle stitched ... spiral notebooks, school exercise books, haed cover notebooks, coloring books and some other paper products. FOLLOW customer's ... cooperation with us, Welcome to your inquiry ! coloring book