Privacy protection: Antique metal combination lock, 0-9 three-digit combination lock, thousands of combinations, better protect your secrets, whether it is commercial secrets or personal privacy, can be fully protected. High-quality leather: Selected high-quality PU leather, 360-degree no dead angle, delicate touch, wear-resistant, embossed sailor elements on the cover, clear lines, stylish atmosphere. Eye protection: The notebook is lined with 100g beige writing paper, which is delicate and smooth, and protects the eyes. There are 112 pages in total. The horizontal lines and blank pages are perfectly combined to meet diverse writing needs. Storage function: There is a multifunctional information bag inside the notebook, which can store various scattered information such as business cards and receipts. Portable: Notebook measures 5.517.871.1 inches and weighs 1.37 lbs. It can be put into a briefcase or bag, carried anywhere, opened and used at any time, to record daily life.