Ballistic SA0735-M005 Samsung Galaxy S II SG Case - 1 Pack - Retail Packaging - Black,(compatible only with At&T Galaxy S2 and not compatible with At&T Skyrocket phones) Fit Samsung Galaxy S II Advanced 3 layer protection Soft TPU to absorb the shock of a drop Tough impact-resistant polycarbonate shell Inner-most layer is made of soft silicone to cushion device