OtterBox Commuter Case for Apple iPhone 4S (Black/Black) The OtterBox Commuter Case for the Apple iPhone 4S is a sleek and tough case that prevents potential damage from a demanding lifestyle. The OtterBox Commuter Case has two layers of protection that work together to divert any impact force away from your mobile device. The outer layer of high-impact polycarbonate shell combines with the inner layer of impact-absorbing silicone to provide added protection against scratches, bumps, and shock. The case includes a self-adhering screen protector. Compatible with: Apple: iPhone 4s;