Size Inch 1 -25mm Brand BI Trust Material PVC No Ring Ring 4 Paper Size A4 This binder is made of high-quality PVC material, specially designed to hold A4 paper. With a size of 1 inch and 25mm, it's perfect for keeping your important documents organized and secure. Plus, the 3 rings and 4 ring holes make it easy to add and remove pages as needed. Trust in the durability and reliability of BI brand products for all your presentation needs.