Do you want a kind of automotive air vent aromatherapy diffuser for your car? Do you want to keep the car smell nice? This can be your . Also, it is suitable for both horizontal and vertical air vent. Really practical and useful, just install it onto your car air vent. Features -Color:Transparent -Material: Glass -Size Rhombus: About 5.00X4.00X3.00cm/1.97X1.57X1.18inch -Size Square: About 5.00X3.00X2.50cm/1.97X1.18X0.98inch -Size Oblate: About 5.50X3.00X2.00cm/2.16X1.18X0.79inch -They can be filled with perfume, essential oil, aromatherapy to keep the air in your car fresh. -These bottles will help your perfume continue to diffuse the incense, and the effect is good. -A good substitute automotive diffuser bottle for a broken or worn out one. -Freshen up the air inside the car, clear your mind and relieve your fatigue. -Perfect for your car, dressing tables, room, bookshelf, etc., very versatile. Package list: 48 x glass perfume bottles