Small Dry Box - 1000 Size - 3.700" x 2.350" x 1.000" Waterproof and crushproof to protect your valuables from the elements. Great for water-tight storage of: Pager, Car Keys, Film & Batteries, Business / Credit Cards, small wallets and small cell phones. External Dimentions: inches L 4.375 - W 2.875 - D 1.375 Internal Dimentions: inches L 3.313 - W 2.375 - D 1.000 Can help protect valuables to a water depth of several feet. *Not intended for diving.