Simple design with integrated mounting hardware does not require drilling on 4-door model Provides over 20,800 cubic inches of lockable storage space (non-sub-woofer) Lid is weight bearing with 4 tie-down rings. Any items stowed on top of the enclosure must also be securely fastened to the vehicle Includes perimeter weather seal Mounts in 4 door vehicles & 2-door (without rear seat) with OEM hard or soft top