Car air freshener with highly concentrated aromatic essences. Presentation: 9 ml glass bottle, available with transparent box and without box. Boxes or bags of 12 units. Contents: wooden diffuser ball and 9 ml glass bottle with highly concentrated essential oil. It does NOT contain alcohol. How to use: unscrew the wooden cap from the bottle and remove the shutter. Screw the cap back on and hang by the cord. Turn the bottle upside down for a few seconds. Repeat when necessary.