Description:Metal custom air vent mobile holder is a patented design, made of high quality zinc alloy material in a shiny glossy finishing, using original 3M glue. Features easy installation, 360 degree rotation, a ring to hold on your finger, and also can be used as a mobile stand. It clamps tight and firm, suitable for most car vents. This is a must-have product to help you keep your phone in an easy view while driving, making sure you drive safer.