Dark, it is quite discreet and can effectively protect the back and sides of the phone, while leaving access to ports (recharge, introduction of memory cards ...) compatible with the home dock.
For maximum protection, it can be the application of a film on the front of the phone.
The detail more: a small integrated cap allows clog the location of the jack, it is very well thought out and fits perfectly on the phone.
The downside: only one remark, fingerprints are very showy ...