2 PACK MOUNT HOLDER FOR EASIER USE: Designed with a sturdy rubber base and a powerful magnetic head for holding smartphones, our air vent universal car mount holder is much easier to use than others due to its simple and complementary design. 1 backup for instant replacement. S TURDY BASE: The high quality rubber construction of the base guarantees the base will solidly hold the magnetic head of the mount regardless of road vibrations or impacts. EASY TO INSTALL AND REMOVE: Universal fits for cell phones, mini tablets and etc. Just push the holder into the air vent. No cradle, no bracket, no clamp, only the magnetic force can ensure a safety operation. MULTI-COMPOUND MODE: Use one of the provided protection film on your phone BEFORE placing the metal plate. Then, three stick modes are available: put the metal plate between your case and the phone; simply stick the adhesive metal plate on your phone; Use our built-in metal plate case.