The Ultimate Tuff &';Tainer is as its name states - the Ultimate. Not only is this versatile box waterproof, it&';s also rust-proof with the addition of Flambeau&';sA(R) ZerustA(R). Rigid design One large compartment Zerust protects contents against rust and corrosion Watertight O-ring seal Secure locking latches Ideal for storing water-sensitive gear Suggested use: Fishing, camping, boat