Small and light, please rest assured, it will not block the ventilation grille. Suitable for a variety of car vents, such as horizontal, vertical and round vehicle vents. Just insert the scent stick, then insert the scent diffuser into the air outlet and fix the clip. Aromatherapy is very small and compact, it will not take up too much space, classic and stylish. Not restricted to use in car, but also suitable for bathrooms, bedrooms, pet houses and other occasions. Features -Color: Black. -Perfume holder material: Alloy. -Size: About 6.50X2.00X2.00cm / 2.55X0.79X0.79inch. -Small and light, please rest assured, it will not block the ventilation grille. -Suitable for a variety of car vents, such as horizontal, vertical and round vehicle vents. -Just insert the scent stick, then insert the scent diffuser into the air outlet and fix the clip. -Aromatherapy is very small and compact, it will not take up too much space, classic and stylish. -Not restricted to use in car, but also suitable for bathrooms, bedrooms, pet houses and other occasions. Package list: 1 x aromatherapy diffuser