The appearance of calm atmosphere, seems simple but elegant and professional, can be well integrated into the office and living environment. A4 size, suitable for business office, corporate conference, high-end hotel, etc. Soft leather can be bent, soft leather can be curled without deformation. This leather envelope folder surface made by PU leather which waterproof and easy to take in hand or in your backpack. Large capacity, orderly loading. Easy to load into daily supplies to meet different needs. Large capacity, can hold about 100 A4 paper, more capacity, more. Easily hold papers, books, notebooks, magazines that you need to carry. A pragmatic alternative to meet most of your life needs. It can be used in offices, schools and other places etc. Bright color envelope folder has a fashion design style that's a great decorative compliment in your office or home. As a good assistant in your life for storing project files, documents, bills, passports, coupons, tickets, papers, receipts etc. It is also suitable for portable intelligent devices like tablet as protective cover and more.