The XLRM023 car cup holder large phone and midsize tablet mount is part of Arkon's Robust Mount Series. It fits easily into car or truck cup holders, with the mount's base expanding as wide to 3.5 inches in diameter. This cup holder mount features Arkon's RoadVise XL large phone and midsize tablet holder, which holds devices (even those with skins and ruggedized cases) up to 5'' wide. The mount fits Apple iPhone 7 Plus, iPhone 6S Plus, iPhone 6 Plus, Samsung Galaxy Note 5 and Note 4, Galaxy S7, S6, and S5, LG G6 and G6+, G5, and G4, Google Nexus 6 and Nexus 5, HTC One M9, One M8 and One Max, Nokia Lumia 1520 and 1020, and Motorola Moto G. This mount is not recommended for phones without a case measuring 2.64 inches wide or less, including iPhone 7 or iPhone 6. The mount also fits midsize (7-8'' screen size) tablets measuring up to 5'' wide, including Galaxy Tab E 8.0, Galaxy Tab S 8.4, Galaxy Tab 3 7.0 and 8.0, and Google Nexus 7. The holder's spring-loaded mechanism holds the phone securely while making it easy to insert or remove the phone from the holder. The mount's double ball adjustment allows for flexibility in positioning the device.