Incipio iPhone 4/4S SILICRYLIC Hard Shell Case with Silicone Core - 1 Pack - Carrying Case - Black/Black Incipio IPH-506 iPhone 4/4S Double Cover - Black/Black Practical - Protective - Economical Innovative design combining a high quality polycarbonate plastic exterior embedded in a shock absorbing silicone core Provides sturdy protection without sacrificing style Cutouts give easy access to controls, touch screen, and inputs