Case-it W350 X-Hugger Zipper Binder, 2-Inch Round Ring Binder with Book Holder on Front, Black, Size - 13 x 12 x 3 Inch (W-350-GRY) 3-ring zipper binder with 2 Inch O-ring Front expandable holder can fit a large text book or several smaller books Handle and shoulder strap included Inside pocket Unique angled zipper design Front expandable holder can fit a large text book Handle and shoulder strap included Inside pocket Available in 6 colors 2" inch Round Ring