1. Easy to Use: The dual layer storage design of our document bag ensures neat and efficient organization of A3 sized documents and drawing boards, as well as A4 cards, messages, and publications. Say goodbye to clutter and welcome easy access to all essential materials. 2. Versatile Functionality: The interior structure of this document bag is designed for organization. It features mesh pockets for cups, a main zippered compartment for A3 sized files, and a front pocket for conveniently storing notebooks, pens, and tickets. Additionally, the mesh side pockets provide extra space for water bottles or umbrellas. 3. Convenient to Carry: This foldable document bag is ideal for students, teachers, and art enthusiasts, making it easy to take anywhere—whether carried by hand or over the shoulder, offering versatile carrying options. 4. Durable Material: The carefully selected lining material and quality Oxford fabric on the exterior of this document bag provide protection against wear and tear, while the double stitched handle with reinforced nylon edges ensures strength, reliability, and durability.