Casemas (TM) Yellow Chevron Penguin Flexible Slim TPU Phone Case Cover for Apple Iphone 5S / 5 It is also a good idea to send it as a gift to your friends. We can provide custom phone cases with any design for you. If you want, please contact us! Integrated power switch allows you to switch on/off the battery case. Only use the battery when you need it. The image printed using crystal clear enamel coating for long lasting effect. Super Slim to protect with style and without bulk