Quad Lock Phone Cases have a secure twist-lock mechanism for Quad Lock phone mounts. The slim profile and soft touch material make it perfect for everyday use. With a tough, polycarbonate core and impact absorbing TPU edge-to-edge outer shell, you can be confident that your Pixel will be protected every day. Quad Lock MAG Cases are thinner and flatter than Original Cases, feature a customisable MAG Ring, and are compatible with all Quad Lock MAG and Quad Lock twist, lock mounts. Quad Lock MAG makes mounting your Google phone even faster, simply position your phone and the magnets do the rest.