Vera Bradley Double Zip Backpack in Ellie Blue, Style #14315 100% cotton Medium-sized backpack with easy-access U-zip openings Gusseted U-zip pocket on front opens to reveal organizational slip pockets and two pen slips Zippered pocket inside and another, larger zippered pocket on the back ID window under top flap Measures: 11 " x 14" x 5 " with 28 " adjustable shoulder strap