<p>Product Description<br> Size: Round: 40mm<br> Rectangular: 45 * 65 cm<br> Type: Round, Rectangular<br> Color: Black<br> Material: Stainless Steel<br> Package Contents: 9 Pieces Phone Holder Patches<br> 1.<br> 2. [9 Pieces 9 Devices] Contains the sizes of round and rectangular metal plates (diameter 40mm/45*65mm). They contain 9 magnetic plates that can be used for 9 devices and can be used and shared with your partner, children, or friends. <br> 3. [Ultra-Thin] The thin metal plate with a thickness of 0.3 mm can be stuck to the smartphone case without being visible from the inside. Apply the protective film to the front of the metal plate on the back of the phone. It can protect your phone from scratches. <br> 4. [Magnetic Phone Holder Accessory] The metal plate is an accessory for the magnetic phone holder. It is usually used to replace the almost magnetic car phone holder because the original metal plate falls off from the phone or other device, so a new metal plate is needed. <br> 5. [Easy to Install] You can insert the metal plate into the back of your phone and stick the metal plate directly on the back or inside of your phone case. These car metal plates are not magnetic themselves, but can be used with all magnetic car phone holders. </p>