Super strong suction cup: enhanced TPU phone holder equipped with a layer of adhesive gel for better heat resistance and stronger adhesion. The suction cup can be cleaned and reused. The car mount for iPhone can be securely installed on the windshield, dashboard, and air vents; it comes with an additional 3M adhesive pad to improve suction on uneven surfaces. NOTE: It is recommended to install on smooth and stable surfaces. Compatible with thick cases: The car windshield phone mount features wider arms and adjustable feet to accommodate large phones from 4.0 to 7.1 inches and cases up to 0.551 inches thick. The vacuum-reinforced silicone arms provide a secure grip and protection, ensuring your iPhone stays scratch-free. Adjustable telescopic arm: The car iPhone holder has a 360-degree ball joint and an adjustable telescopic arm that extends from 2.8 inches to 5.0 inches and can be adjusted up and down by 270 degrees. It offers unlimited viewing angles, whether mounted on the dashb