I only put 2 stars for the design due to the fact that the belt clip doesn't interact well with the silicone case. I don't believe this is a flaw with the case itself, but more with the belt clip having an issue. Since I purchased the two as a pair, I figured I'd leave the review on both.
The belt clip is great except for one minor flaw; the plastic clip that snaps into the phone case has a sharp edge on it, which is already leading to scratching on the silicone case. In the long run, I can see this causing damage to the silicone skin on the case.
Though it's a little bit bulky, it offers great protection against dropping. I had the same case for my iPhone 4s for 2 years, and despite dropping it on concrete, pavement, hardwood floors, etc, the phone still looks brand new when it's out of the case.