Adjustable and removable tray dividers for easy customization, Top lid opens up to 180° for on-the-field anti-roll stability when open, O-ring seal for dust and water resistant seal (IP66), Easy open Double Throw latches, Open cell core with solid wall design - strong, light weight, Automatic Pressure Equalization Valve - balances interior pressure, keeps water out, Comfortable rubber over-molded handles, Personalized nameplate service available, Lifetime Guarantee of Excellence (Tray system not covered by lifetime warranty), Tray sizes: Top tray 17.65" x 8.2" x 2.4" (44.83 x 20.83 x 6.10 cm) and bottom tray 17.3" x 8.0" x 2.3" (43.94 x 20.32 x 5.84 cm, Also available without tray dividers