Adopting a lockable design, equipped with a 3-digit metal password lock, it can enhance confidentiality to protect your personal privacy information. Very suitable for use as a travel or personal secret diary. Very suitable for diaries, travel diaries, poetry, creative writing, creative lists, sketches, and paintings Organize bills, passports, ID cards, invoices, tickets, stationery, etc. Very suitable for business, reading, meetings, camping, daily planning, and hiking. Inner pages: 100 sheets Package:1pcs*Password Notebook Name:Password NotebookSize:as pictureColor:as pictureMaterial:paper+PUInner pages: 100 sheetsPackage:1pcs*Password NotebookNote:Please allow 0.1-0.3cm differences due to manual measurement,thank you for understanding!Due to the light and screen difference,the item's color may be slightly different from the pictures. Please understand.Make sure you do not mind before you buy.