Zerust has proven to be the absolute best way to protect your tackle against rust and corrosion. Molded into Flambeau's Tuff 'Tainer dividers, this patented polymer emits a harmless vapor, forming a protective layer around metal surfaces. All Zerust products will maintain their effectiveness for up to five years or more, so you can count on hassle-free, long-lasting protection with Flambeau's 'Tuff Tainer utility boxes. Flambeau 6 Partitions/10 Zerust Dividers Tuff 'Tainer Tackle Box Features: Size: 11 x 7.25 x 1.75 inches 6 partitions including 10 Zerust dividers, with integrated latches Style number 4006