Constructed of 1200 Denier Polyester and lite-weight spring-steel construction, and an additional 2" expansion for more packing capacity. Features include locking handles with push-button operation, smooth rolling 4-wheel spinner system, comfort-grip carry handles, interior cross-straps, a full interior lining in contrasting color, and multiple exterior pockets. Also includes exceptional organization on the interior, including a Wetpak pocket, multiple mesh compartments, and a magazine pocket on back.