Material: Made of premium oxford with transparent interior pockets, durable and waterproof, which protect important documents from damaged water spots. Folder da Expandable: with 13 pockets, 1 outside pocket and colorful labels, 35 x 28 cm, it is large enough to store different documents. Help you make classifying and finding files you need very efficient quickly. Easy to Carry: Briefcase folder with handle, lightweight and portable, suitable for use in office, home, business occasions and school. It is the best choice for carrying documents while traveling. Wide Application: Perfect for storing A4 and below A4 size paper files, it can organize bills, receipts, contracts and certificates well. Suitable for teachers, students, business people, etc. Zipper Closure Design: The double zipper will prevent important paper files and personal items from falling out. Practical gift for your family, friends and colleague.