Heavy-duty construction Includes two Waterproof Ultimate Tuff Trainers for terminal tackle storage Tuff Tainers slide into a fully supported and protective base cage Removeable, swivel glide trays 360-degrees waterproof, airtight rubber gasket Recessed polycarbonate lid work surface and latches Removable Zerust base dividers for customized compartment configuration Lockable / Tie-down flanges / Zerust dividers