When I had my 4S, I bought a Candyshell for it. White and black rubber. WORST. PURCHASE. EVER. In three weeks flat, the rubber on it started flaking, and interfering with my Anti-Glare Power Support screen protector. I put up with it for a while, until the rubber on the side literally ripped off when taking the phone out of my case one day. I swore I would never buy another Candyshell after that, a $40 case shouldn't behave like that.
I ended up getting the Black and Peacock Candyshell flip as a gift for my iPhone 5, and I must say, I love it. I do hope it doesn't start flaking (I've only had it for a couple days), but from what I've gathered, the colored rubbers, for some reason don't flake.