Interesting colorful book printing 1.Specifications of books MaterialCover: art paper , 157gsm, 200gsm, 250gsm, 300gsm,350gsm ,PU,PVC,cloth,cloth,etcInside:80gsm, 105gsm, 128gsm,157gsm art paper 200gsm etcSizeas per customers requirementFinishinggloss lamination, matte laminationhigh gloss UV varnish, UV coating, aqueous coatingUV..