The Zerust Max Tuff Tainer line builds on our legacy as the pioneering force and industry leader in anti-corrosion tackle storage innovation to offer anglers an enhanced level of ZerustA(R) VCI vapor technology now impregnated directly into the entirety of each box.Specifications and Features: Fully-infused with an enhanced level of Zerust VCI vapor technology that provides effortless rust prevention for metal tackle in extreme marine environments Provides a minimum of 5-year anti-corrosion protection Translucent smoke gray tinted lid and base for convenient identification of contents when closed