Ballistic has announced that it is now shipping its Lifestyle (LS) Smooth case for the iPhone 4 and iPhone 4S. Made from TPU materials, the LS Smooth features push-through coverage for the sleep/wake and volume buttons, open access to all other ports, controls, and cameras, and four included sets of interchangeable bumpers that sit on the corners to help protect the phone from shock. Ballistic’s LS Smooth case for the iPhone 4 and iPhone 4S is available now and sells for $30.