Accessory Planet(TM) Rainbow Butterfly TPU Design Soft Rubber Case Cover Accessory for Apple iPhone 6 (4.7) MATERIAL: High quality Hard Plastic. THIS IS NOT A DECAL OR SKIN Use rechargeable lithium polymer battery. 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. Easy Access to all device ports and controls