The Flambeau Ultimate Tuff Tainer Bulk Tackle Box is as its name states, ultimate. Not only is this versatile box waterproof but it's also rustproof with the addition of Flambeau's Zerust. It sports a watertight O-Ring seal with secure locking latches. This combined with the rigid design make this box ideal for storing water sensitive gear. You will never need another utility box again. The bulk design allows for easy storage of tools or larger tackle. FeaturesZerust infused O-Ring sealSecure locking latchesMike "IKE" Iaconelli approvedAvailable in 5000 and 4001 sizes