1)Model NO.: 10NB4818 2)Product size:17.5x25.6cm 3)Material A. Cover : color change leather B. inner pages : wood free paper(cream) 4)Interior pages : 70gsm , 128sheets 5)Content: personal information / DDD&post codes / China Public Holidays/ useful website / conversion formulae / container spec. list / Year Planner/ Private Accounting/ Address book / diary pages 6)Printing: 1C/1C, offset printing 7)Binding: sewn-glue binding. Color change leather in Hard cover style, matching with blue elastic band, professionally made, just for you ! Using Dowling paper allows smooth writing, no penetration even with ink.