Material: Polyester. Size: 19"x14.5"x8". Description: Bright color material with 2 Safety reflective stripes to make you/your kids safe walking at night, Comfortable padded shoulder strap with cell phone pocket fits most smart phones including Samsung S5 / Iphone 6 plus (w/o case), Zippered lower front pockets with safety reflective stripe, Large zippered side pocket, Large size #10 zipper on main compartment. Reinforced shoulder strap buckles, Large zippered front pocket, All zippers with zipper pull string and pull tab, "K-CLIFFS" logo printed on main compartment flap, Padded back panel, Adjustable Padded extra wide shoulder strap, This style is a sling backpack, cross body style with only ONE shoulder strap.