The Gearilla Large 3 Ring Binder with Zipper is a sturdy and reliable office supply for organizing and storing documents and other materials. With a 3-inch size and blacked out design, this binder is perfect for keeping confidential information secure. The O-ring binder wristband adds an extra level of convenience and style to the traditional 3-ring binder, making it a practical and stylish choice for any office or workspace.