Cover fabric: PVC, PU, ??simulated leather, leather, leatherette paper, Italian leather imported color, medium and high leather hardcover Size:? Sizes (conservative, positive degrees): There are 24 open, 32 open, 48 open, 16 open, 12 open, 8 open, four open and so can be customized according to the customer within a page of paper: 60g-80g-100g-110g offset paper Dowling within-page layout: A. through the column layout, B Organizer layout. , often specifications:? 16K, 20K, 25K, 32K, 48K notebook maintenance tips should note stain weeks after with a dry towel wrung wet, gently wipe a few times?. ? There are stains on the surface with a clean damp sponge dipped in warm detergent, wipe gently. Then let it dry naturally. Notebook accidentally poured into the rain, put aftershave wipe the shade to dry. Avoid fire drying or exposure to sunlight. Leather care products before use, first to a little test in an inconspicuous place, to be determined without any problem and then use the entire leather. Products can also add a personal matching items, increased advertising effect: A, optionally within other layout page, you can add color pages or print advertising Edition ad notes; B ,? bookmark listing can laser engraving LOGO / name; C ,? increase Binder card pocket; industry: institutions, industries, administrative schools Note: This book may be provided within the material of the core sample out by the customer sample made Features: Style: Fashion, economical use: Business???? ? gifts, office use, advertising industry: institutions, industries, administrative school?