business notebook includes week plan ,calendar, address,4 card slits,1 ID / photograph window,perfect handicraft ,OEM is wel business notebook1> materials: real leatherpufake leather pvc 2> inner paper : 70gsm80gsm100gsm wood-free paper3> inner part: 1 ~ 4 colors printing , including plan ,calendar , address , notepad ,personal information etc...4> Binding with sprial , glue , six ring or other 5 ...