Important note: These metal plates are not magnetic plates, they are used with universal magnetic mounts. When wireless charging, please place the metal plate away from the wireless charging sensor | Note: There is a blue protective film on the surface of the silver metal plate. Please remove it before use | Universal Metal Plate: These metal plates are suitable for any magnetic mounts. The metal plates are designed to use with magnetic phone car mount, magnetic air vent mount etc | Easy to use: Each metal plate with 3M adhesive, which is easy to stick onto the back of phone or case. Installation and removal are fast without any tools | Exquisite Design: The ultra-thin metal plate is almost invisible in your phone, and the smooth surface protect phone from scratches. Perfect replacement for magnetic mount | Strong & Stable: The 3M adhesive provide high stickiness to attach with your phone for long lasting and stable hold, which allows you to place your phone horizontally or vertically