The package contain<br> 1*phone ring holder<br> 1* magnetic car mount holder<br> 1*metal sheet<br> The metal ring holder has magnetic absorption function, which can be used with the magnetic mount, so that you can be more convenient when driving.<br> The 3M sticker back allows you to place it anywhere on your device.<br> For best results adhere it to a smooth, clean surface free of any dirt or oils. It is recommended that once you stick it to your device, to keep it in place by not repositioning it, in order to get the full potential out of the sticker life.<br> Not recommended on SIlicone, rubber or textured cases. Tablets and phones are common In order to better play the stickiness of 3M adhesive, it is recommended to slightly heat the tape before use and then paste it ,in the case of low temperature<br>