1 680 denier ballistic polyester Zippered main compartment Interior organization pockets Side snaps allow bag to expand or contract to fit travel needs Dimensions: 7 h x 8.5 w x 4.5 d; Approx. 267.75 cubic inches (extended) 5 h x 8.5 w x 4.5 d; (snapped)Note: Bags not intended for use by children 12 and under.