iPhone 4 Case, iPhone 4S Case, CHTech Shockproof Durable Hybrid Dual Layer Armor Defender Protective Case Cover for Apple iPhone 4 4S (Grey Blue) Slim Combo silicone case with hard plastic back Specifically designed for Apple iPhone 4/4S Precisely cut openings to allow full access to all the functions of your phone Hard Case Cover gives your mobile phone a safe protection. Tough case for maximum protection against drops, scratches, dirt, scuffs, etc. Give your phone a customized look while adding protection.