OtterBox has debuted its new Impact Series case for the iPhone 4. Made from black silicone, the Impact Series case for iPhone 4 features inner coring for added shock protection, push-through protection for the volume, power, and Home buttons, open access to all other ports, controls, and both cameras, and included self-adhering protective film. OtterBox’s Impact Series case for iPhone 4 is available now and sells for $20.
