What is the best case for my iphone 5?

I mainly want protection, there does not have to be that much style.

Otterbox

Absolutely OtterBox Defender.

A plastic case is enough for your need. It is fully protective with a relative cheap price. I'm using one now and pretty happy with it.

Meybe these cases http://iphonecases.name/iphone-5-cases-c-23.html