Leegoal Cute 3D Cartoon Cat Animal Silicone Case Cover for iPhone 4 4S Rose Built-in short circuit and over-charge protection. Safety First! 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. Design/Finish: Glossy, Printed all around the corners and edges! Super Slim to protect with style and without bulk