The Ultimate Tuff 'Tainer lives up to its name, offering the ultimate in protection. This versatile box is both WATERPROOF and RUSTPROOF, featuring Flambeau's Zerust® technology. With a watertight O-Ring seal, secure locking latches, and a sturdy design, it's perfect for keeping water-sensitive gear safe. Available in five sizes and variations, this is the only utility box you'll ever need.