Introducing Rough Country's 2-in-1 Expanding Cup and Phone Holder! This revolutionary product is designed to keep your cell phone secure no matter where you go. This universal 360?? rotation phone mount offers rubber tabs for a secure fit and a sturdy, flexible phone extension, so your device always stays put, even on rocky trails. The retractable base ensures a firm fit in any cup holder, from 2.69in - 3.9in diameter. With Rough Country's 2-in-1 Expanding Cup and Phone Holder, your phone will stay where it belongs!