LeonardCustom- Star Trek Slim Fit TPU Rubber Cover for iPhone 4 / 4S Case -LCI4U309 Precisely made for iPhone 4 / iPhone 4s This Case provides full protection in the back and sides of the phone. Product made with special TPU Rubber material which cannot be broken when twisted. The printing methodology used is sublimation, which offers bright and durable print on the phone case for long time to come. Please note that different batches, as well as different display and different light result in a slight color difference.