Book Case Ancus Magnetic Curve for Xiaomi Mi 8 TPU Gold. The practical Book Case Magnetic Curve of Ancus has a slim design and secure closure offering ultimate protection to your device. It is made of leatherette and internally has two small pockets. The back of the case is suitable for a perfect fit. Also it features a secure closure while giving you full access to device functions and the use of the camera. The phone is placed in the case without removing the battery cover. Give your device a classic style and protect it.