... Co.,Ltd is waiting for you to buy customized baby board books, custom board books from its factory. Specification Size: 152 x 190mm ... , Woodfree Paper, Greaseproof Paper, Paperboard, Cardboard, Millboard, Corrugated Board, Duplex Board etc. color Cover:4C/4C Inner sheet:4C/4C etc ... width, height. 2,Paper type: Art paper, Grey board, Specialty paper, Ivory board ,Offset paper etc. 3,Pages:4/8/12/16 ...