2-Pack Metal Plate Adhesive Sticker Replace For Magnetic Car Mount Phone Holder Description:Super Thin Steel Insert Plate provides extra strong magnetic attach to mount. Compatible with magnet mounts designed to hold devices with the metal plate. Works with all smartphones and GPS devices Can be used and attached to naked phone and phone with the protective case Provides easy accessibility to the mounted device The magnetic plate mount easily sticks to the back of devices for easy mounting without scratching the devices. Easy to attach and remove without any hassle.May not compatible with Heavy Duty hybrid protective phone cover case or iPad cover case with Car Air Vent holder due to the extra weight and thickness. Package includes magnetic metals plates only, phone mount holder or mobile device is not included. NOTE: These products are NOT magnet, and cannot stick to other metal. These metal plates are to be used with magnetic cell phone holder.