- Durable Material: Constructed from high-quality PVC, this reusable plastic case is designed for long-lasting use. - Versatile Organization: Features four distinct patterns, allowing students to categorize course notes efficiently. Easily assign a different color to each subject, enabling quick access to the notes you need. - Ideal Size: Measuring 13.2 x 9.1 inches, this envelope folder accommodates A4 paper and more, providing ample space for additional documents. - Secure Closure: The snap buckle ensures that your documents stay safe and secure while allowing for easy opening and closing, making it perfect for everyday use. - Practical Applications: Ideal for organizing school subjects, office documents, travel paperwork, and business cards. Keep your important materials sorted and accessible. Experience the convenience of organized storage with our practical envelope folders, specifically designed to meet your daily document management needs.