Dry Box - 2500 Size - 6.000" x 3.375" x 3.000" Waterproof and crushproof to protect your valuables from the elements. Great for water-tight storage of: GPS, smartphone, jewelry, PDAs, MP3 players, and more! These protective boxes and cases can protect valuables several feet below water. Internal Dimentions: inches 6.000 - 3.375 - 3.000 External Dimentions: inches 6.500 - 3.875 - 3.375