With its water resistant O-Ring seal, built-in compass and signaling mirror, MTM Survivor Boxes are designed for extreme environments. Water and weather resistant, they can be used to carry all types of personal and safety items such as medicines, first aid kits, flash lights, flares, ammo, wallets, snacks, rain gear, maps etc. Don't be caught without one it is your survival kit. Features built-in compass, signaling mirror and a rugged, water resistant, tongue and groove O-ring design. Then it's triple latched for the best possible seal. The Survivor Dry Boxes are lockable and they even will float. Water resistant survival boxes protect and carry personal survival items Protect medicines, first aid kits, lights, ammo, wallets, snacks, maps etc. Includes compass and signaling mirror O-ring and lockable, triple latch design