eFuture Dark purple Penguin Silicone Soft Case Cover fit for the new Iphone4 4s +eFuture's nice Keyring 2-3 weeks' shipping We can provide custom phone cases with any design for you. If you want, please contact us! Made from durable high quality plastic, provides maximum protection for you iPhone Show your pride Integrated power switch allows you to switch on/off the battery case. Only use the battery when you need it.