reading magazine book 1.250gsm gloss art paper ,80gsm woodfree 2.printing cover:4c/4c inner page:4c/4c reading book Various book printing servicePaper material:White cardboard, grey back cardboard, glossy or matte art paper, gray board, etc. per your requirements.Paper weight:For cover: 300gsm, 350gsm, 400gsm white or gray back cardboard back up or more layers mounted per your requirements;128gsm ...