The NanoVault features an easy-to-operate key lock system, 18-gauge steel construction and 1/2-inch per side thick memory foam interior. Security cable: when the cable is wrapped around any fixed object and slid over the lock receiver inside the security box, both the NanoVault and any valuables will be securely attached. Features: GunVault NanoVault 200 handgun safe 9.5"x6.5"x1.75" exterior dimensions Meets TSA airlinie firearm guidelines Easy to operate key lock system 18 gauge steel construction 1/2" thick memory foam interior Security cable included