The MatStand by CommuteMate is designed to hold you GPS unit, cell phone or mp3 player into a securely mounted dash board display. The MatStand has an anti-skid Mat that secures the mount on most vehicles even with a sloping dash board. Installing the MatStand will give you an unobstructed window shield and a more visible display on your device. The MatStand by CommuteMate works with GPS units, popular cell phones and music players such as the iPhone, iPod, Blackberry, satellite radios, and other popular smart phones. The MatStand is easily movable from vehicle to vehicle. The mount adjusts vertically or horizontally for preferred viewing angle. Easily keep the MatStand clean with soap and water.