[Expandable & Secure]Each A4 plastic wallet features an expandable design, allowing it to stretch up to 0.78 inches to accommodate 150-200 sheets of A4 paper. Secure your documents with the integrated button closure, ensuring your files remain protected and neatly organized. [Durable & Water-Resistant]Crafted from high-quality polypropylene, these file wallets are not only durable but also water-resistant. They are free from any unpleasant odor and are non-toxic, making them ideal for long-term storage of documents, university essentials, and office supplies. [Transparent & Compatible]Designed for convenience, the transparent nature of these wallets allows for quick identification of contents, saving you time and hassle. They are also equipped with 11 holes, making them compatible with most 2/3/4 ring binders and lever arch files. [Versatile Usage]Lightweight and portable, these A4 plastic wallets are perfect for organizing documents, letters, and files whether you're at school, home, or on the go. They are essential for office travel and business trips, helping you keep your documents well-organized. [Colorful & Ample Pack]This pack includes 12 A4 plastic wallets in assorted colors like black, blue, pink, green, orange, and purple, providing ample options for file classification and differentiation. A practical and stylish solution for managing your documents. Description/Features: Keep your documents organized efficiently with our premium binder pouches. Crafted from high-quality PP raw materials, these pouches boast a pure and vibrant color selection, ensuring durability and waterproof protection for all your documents. The edges of each folder are secured with a robust binding type, making them strong and resistant to cracking for long-lasting reuse. The transparent and smooth surfaces of the folders allow for quick identifi