Piano Keys 2-Piece Dual layer High Impact Black Silicone Cover Case For iPhone (4 4s) 2-piece hybrid high impact combo with soft silicone in middle to make your phone look fashionable Advanced dual layers of protection:Layer 1 - Tough impact resistant polycarbonate shell; Layer 2 - Soft silicone, equipped with Firm corners. It can protect your phone from Scratches, Chips and prevent dirt from accumulating. Precisely cut openings to allow full access to all the functions of your phone