MULTI-FUNCTION 3-IN-1: These versatile phone stand holders can be held with fingers to protect user's phone from drops, support user's phone while watching videos or be used as a car holder to protect the hold of the phone when using navigation fixed it even to the air vent of the car 360 degree rotation and 90 degree flip: the holder of the phone ring adopts a flexible invisible base, which can be rotated 360 degrees, and the metal ring can be rotated 90 degrees to support the phone to meet your different needs. The adhesive is firm and leaves no sticky residue: the strong adhesive makes the cell phone ring holder stick firmly to the back of the cell phone, which can be held with your fingers and is not easy to fall off ; Just peel off the white film on the surface, it can be easily attached to the phone, tear off without leaving a trace Non-slip serrated design: these finger holders are mainly made of zinc alloy with silicone clips, easy to attach to air vents, avoid hurting or scratching air vents, suitable for most car air vents Phone holder measures approximately 3.3 x 5 .2 cm / 1.3 x 2 inch, suitable size