Description This is a heavy case (about 6-8oz depending on the model), and it can be used to defend yourself in some emergency condition. This is the dream case if you looking for a heavy duty tough case. It's only good for daily resistant. Please do not bring this case while your are swimming or showering. It works well on rainy days and general sand, dust won't get into the case. 3. 9mm impact truss to ensure your iPhone is safe and sound inside this case. But you may need a 3.5mm adapter if you are using headphones with bigger plugs or other third party accessories that need to be plugged into the headphone jack. Features .