Adesso 18 Key USB Waterproof Numeric Keypad

The Adesso 18 Key Waterproof Key Pad offers desktop & notebook users the instant benefit of a full-sized external numeric keypad in a compact format. With its water-proof silicone material, you don't have to worry about damaging the keyboard because you can't. You could spill a beverage on it and all you have to do is simply wipe or clean it off and continue to use it.