Features:New Exquisite Design: The custom designed a type brings you a different Visual effects. Drops your favorite essential oil giving you a joyable mood and slowing down fatigue when you driving.Widely Compatible: not limited to use in the car, suitable for other situation,easy to install.but also for bathroom, office,kitchen,bedroom, pet houses and moreEasy Installation: Fool-style installation, one-handed operation, does not affect the driving experience, safe and reliable. Color: Blue, Materials: 100% ABS, Size: One Size: Length: 16cm, Width: 9cm, Height: 7cm, Care: N/A