Arkon's IPM523-G mount positions your iPhone in your car's drink cup holder location. For many car's, the drink cup location is a convenient and unique location for mounting your cell phone. With Arkon's IPM523-G, you're able to hold the phone securely at close proximity. Arkon's NEW Slim-Grip holder is ideal for use with ALL versions of the iPhone including the new iPhone 4, regardless of whether a protective skin or sleeve is used on the phone. See full compatibility below. Slim-Grip is the stylish, affordable, highly functional, quality iPhone holder that you've been waiting for. It features laterally adjustable support legs and a strong spring-loaded mechanism which securely grips your phone.