It has an water cup holder and could be used as-a mobile phone holder, which is-very suitable for for you during long-distance driving or travel. The Phone Holder could be used for 6.7" at max, with adjustable arm. Max to Dia 10.5cm holder, with a self-controlled Anti-Slip Silicone Buckle inside cup holder fit most popular brands and sizes bottles/mugs. It will add utility to your vehicle while keeping it organized.Simple and safe installation: no tools required, saving-time and effort for installation. Our cup holder trays fit most vehicles.