... price! Fast and safe Delivery! Convenient payable! board paper book, board bookHigh quality!Reasonable price!Fast and safe Delivery!Convenient ... payment! Item:printing children book,color children book,board paper book, cardboard children bookPaper materialArt paper(C1S/ ... 1) Material for cover and inner: art paper, ivory board paper, offset paper, woodfree paper, carboard paper, special paper2 ...