... competitive price 3. eco-friendly materials 4. shortleadtim Board Book Printing: High quality children board book printingPaper material:White cardboard, grey ... back cardboard, glossy or matte art paper, gray board, etc. per your requirements.Paper weight:For cover: 300gsm ... printing, panton color.Binding methord:Hard case binding, board book binding, two rounded corners.Finishing effect:Gloss or ...