A4 size loose-leaf non-reflective smart writing folder office file folder

♬ Exquisite metal material, durable and beautiful. ♬ Up to 35~40 inner pages (70~80 pictures) can be placed ♬ This product also has the function of a data bag, and the middle layer can be used as a data bag ♬ Upper and lower clip design, the data is not reflective, making it easy to modify and make notes on the paper ♬ Removable loose-leaf iron clip, you can add or remove inner pages at will ♬ Surface material is waterproof and scratch-resistant ♬ The solid color model is available in A3 and A4 sizes to meet different file storage needs. In addition to being used by musicians for performance, it is also suitable for the following: Education market: suitable for students and teachers, used for the organization and storage of notes, handouts and teaching materials. Business and Enterprise: Suitable for company accounts and office users, used for file management, project data archiving and report organization. Creative design industry: Creative workers such as interior designers and graphic designers can use it to store design sketches, plans and inspiration notes. Professional services industry: Lawyers, accountants, consultants and other professionals can use it to manage client information, contracts and important documents. Home and personal use: Suitable for family members to manage personal documents, payment vouchers and important documents.