Built for Marine Use: Store and protect boat tools, dock gear, and small equipment with this dry box waterproof designed for on boat storage resists rust, dust, and moisture in harsh saltwater and freshwater environments. Water-Resistant Lid Seal: Compression-fit waterproof box lid with rubber gasket keeps moisture and dust out, making it an ideal fishing tackle box or ammo storage box for keeping everything organized on fishing boats, pontoons, or docks.