Multifunctional: This A4 writing case features an integrated pen holder, versatile card slots, and a sturdy metal ring binder. The magnetic closure keeps the folder securely closed, making it ideal for professional use in the office or during business meetings. Your documents remain organized and easily accessible. Integrated 12-digit calculator: This conference folder includes a solar-powered 12-digit calculator with silicone-coated keys, perfect for business travelers and commuters. Housed in a durable ABS case, the calculator ensures reliable performance and precise calculations even with frequent use. Practical storage solutions: In addition to a pen holder and multiple card slots, the case offers a large document compartment, a transparent card slot, and a clipboard. The flexible A4 writing case keeps all essentials neatly arranged, helping you maintain a professional appearance. An excellent choice for frequent travelers who need efficient document management. High-quality workmanship and durable materials: Crafted from premium PU leather, this writing case boasts an elegant design and long-lasting durability. Equipped with sturdy metal rings, a functional board clip, and a secure buckle, it combines practicality with resilience. The robust material ensures reliable everyday use. Additional features: The A4 writing case includes a complimentary A4 notebook, ideal for taking notes during meetings or presentations. Thoughtfully designed, it serves as the perfect companion for commuters, business travelers, and on-the-go professionals. Large capacity: Measuring 25 x 34 cm, the A4 writing case is made from durable and easy-to-clean PU leather, making it well-suited for business trips and daily use.