Quad Lock Cases have a secure locking mechanism that is compatible with all original Twist-and-Lock mounts. They also have an impact-resistant cover and a protective lining. Protective cover / Shockproof: With a sturdy polycarbonate inner part and a shock-absorbing TPU outer cover, your iPhone is optimally protected day in, day out. Elegant design: The slim profile and soft-touch material are perfect for everyday use. Quad Lock MAG cases are thinner and flatter than the original cases and feature a customisable MAG ring. Quad Lock MAG Cases are compatible with all Quad Lock MAG and Quad Lock Original mounts. The Quad Lock MAG? makes fixing your smartphone even faster. Place your mobile in the right position and the magnets will do the rest. Compatibility with third-party wireless chargers may vary depending on the device and charging model.