Watertight O-ring sealnThree tight locking latchesnReinforced lids and bottom to prevent flexingnZerust corrosion protectionnTwo fixed partitions with nine zerust dividersnThe Ultimate Tuff Tainer is as it's name states... ULTIMATE. Not only is this versatile box WATERPROOF but it's also RUSTPROOF with the addition of Flambeau's Zerust. The WP3012 has 3 fixed compartments and adjustable dividers. Sporting a watertight O-Ring seal, secure locking latches, rigid design these boxes are ideal for storing water sensitive gear. Dry storage for boats, camping, fishing and all outdoor enthusiasts! Available in 8 sizes and variations you'll never need another utility box again.