Hand Gun Storage Safe Solution.NanoVault, the compact, secure and affordable handgun storage safe solution. Available in two sizes the NanoVault is perfect for home, travel or concealed-weapon permit holders. The NanoVault meets TSA airline firearm guidelines and fits discreetly in a bag, briefcase, desk or under a vehicle seat.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.