Offer your backseat passengers comfort and entertainment during long trips with the Macally flexible mount. Fully adjustable clamps securely hold tablets and other mobile devices ranging from 4.5 to 10 inches wide, both with and without cases. The sturdy aluminum rod ensures stability and prevents devices from falling while driving. A ball joint supports multiple viewing angles and 360° rotation, allowing the device to be positioned directly behind a single passenger seat or between the driver and passenger seats for multiple passengers. Easy tool-free installation is designed for most headrest posts with a width of 7-9 inches.