PRICES MAY VARY. OFFICE SUPPLIES: Case-it’s 3-inch Mighty Zip Tab Zipper Binder has a standard O-ring size of 3 inches and holds up to 600 sheets of paper. EXPANDABLE: Stay organized with the 5-color tabbed expanding file for important papers and documents. With that much room, keeping up with your classes is a breeze! MAXIMUM STORAGE: With no shortage of interior and exterior zippered pockets you can keep more items contained in one place. The exterior zipper pocket is great for storing a…