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!