spiral book,exercise book,printing notebook: Cover: Plastic (PP) Size: 3.8'' width x 5.4'' spiral book,exercise book,printing notebook:Cover: Plastic / PPSize: B5Inner paper: Blank / lines printing, 80 offset paper, 100 sheetsCover: Plastic (PP)Size: 3.8'' width x 5.4''Inner paper: 80gsm off set paper, recyclableSheets: 80