2-in-1 Folder: This folder functions as both an A4 folder and a binder. Made of high-quality polypropylene (PP), it is wear-resistant and durable. Its smooth edges protect your documents and make writing easier. Double Anti-Slip Closure System: The folder is equipped with horizontal and vertical clips. These double clips, covered with an anti-slip rubber coating, securely hold from 1 to 150 A4 sheets. Individual sheets won't slip, ensuring good stability while writing. 360° Folding Design: This A4 folder can be used flat, vertically, or folded, easily adapting to small office spaces and meeting various needs, such as writing at a desk or taking notes while standing, for increased productivity. Ultra-Lightweight and Portable: This clip folder measures 31.5 cm x 24 cm (A4 size). Its slim and lightweight design makes it ideal for both indoor and outdoor use. Versatile: This document pouch is waterproof and dustproof, withstanding rain, dust, and harsh environments such as construction sites. It is suitable for various occasions such as medical visits, conferences, business meetings, and technical inspections, thus meeting a variety of needs.