Universal Vehicle Cup Holder Adapter w/ Suction Mount Surface & Adjustable Base for Arkon , Bracketron , Garmin , Skiva , Sunpak , Midland mounts & more to hold GPS / Smartphones / Tablets / Radar Detectors / MP3 Players & more Cup Mount provides an ideal flat mounting surface (90mm) perfect for most suction device mounts. Works with OEM suction mounts for GPS units, tablets, MP3 players, smartphones, and more No more distractions or obscured views! The Cup Mount keeps your windshield clear and clutter-free so you can focus on the road Twist-to-Fit design utilizes an expanding base to conveniently and securely fit in almost any cup holder ranging from 2.5"-3.75" wide *SUCTION MOUNT NOT INCLUDED*