The XLRM023 car cup holder mount for phones and midsize tablets is part of Arkon’s Robust Mount Series. It fits easily into car or truck cup holders, with the mount’s one-piece base twisting to expand 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 11 Pro Max, iPhone 11 Pro, iPhone 11, iPhone XS Max, iPhone XS, and iPhone XR, iPhone X, iPhone 8 Plus, Samsung Galaxy Note 20 Ultra, Note 20, Note 10, and Note 9, Galaxy S20+, S20, S10, and S9, LG G7, G6, and G5, Nexus 6, and Nexus 5. It also holds 7-8 inch screen size tablets measuring up to 5 inches wide, including the Samsung Galaxy Tab 4 7.0 and 8.0, Galaxy Tab 3 7.0 and 8.0, Galaxy Tab A 8.0, Galaxy Tab E 8.0, Galaxy Tab S 8.4, and Nexus 7. This mount is not recommended for phones or other devices without a case measuring 2.64 inches wide or less, including iPhone 8 or iPhone 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.