Daeheung Laminated 3-Ring D-Ring Binder is a 5cm-thick office file for systematically organizing A4 documents. Made of durable laminated material, it is highly resilient, and the D-ring design ensures that documents remain aligned when flipping or storing. It features an index label on the side for easy content classification and is a high-quality domestic product. Use it to neatly manage large volumes of documents in offices or schools.