Our car aromatherapy, made of rose: sodium polyacrylate, rose extract; Cherry: Sodium polyacrylate, cherry extract carefully prepared. Designed to neutralize odors for 24 hours, keep the air fresh, and improve driving comfort with a fresh aroma. Easy to use: Peel off the protective film after unpacking. Place it in the air outlet of the car air conditioner or in a safe level position inside the car. Breathable fragrance diffusion technology keeps the air inside the car fresh. And it is easy to install, suitable for a variety of interior environments. A unique formula that gives off a pleasant aroma and keeps you fresh on every trip.