Case-it 1-Inch 3-Ring Binder, 5-Tab, 6-Pocket, Black (SLIM-621-FN-Blk) Durable 3-ring binder with 1 inch round rings, elastic closure 5-color tabbed, 6-pocket expanding file folder Made of Kraft Board to keep a stiff, sturdy shape, and prevent buckling or warping Interior zipper pocket holds pens, pencils, erasers, calculator and more Exterior pocket provides easy access to supplies