Gear Beast iPhone 6s Plus Case, Dual Layer Armor Case TPU and PC Protective Case Scratch Protection Drop Protection [Perfect Fit] Bumper Case for Apple iPhone 6S Plus/iPhone 6 Plus We can provide custom phone cases with any design for you. If you want, please contact us! Use rechargeable lithium polymer battery. Material: Flexible Silicone It is also a good idea to send it as a gift to your friends. Product is made of high quality materials.