Fabric: Simple and compact this pack can sit comfortably on your hip or across your body. It has two zippered pockets to store grab-and-go essentials. 600 denier polyester canvas Zippered main compartment Back zippered security pocket Adjustable waist strap with buckle fits waist size up to 45 inches Reflective trim detail Dimensions: 4.375 h x 12.5 w x 2.0625 d; Approx. 143 cubic inchesNote: Bags not intended for use by children 12 and under.