Case-Mate has introduced its new rPET cases for the iPhone 4 and iPhone 4S. Made from 100% recycled post-consumer PET bottles, the cases feature a glossy, translucent finish, open access to all ports, controls, and cameras, and are made using roughly one recycled plastic bottle per case. Case-Mate’s rPET cases for the iPhone 4 and iPhone 4S are available now and sell for $30 each.