These car diffuser empty bottles are nice for anyone looking to keep their vehicle smelling fresh. The clip-on design makes it easy to attach to your car air vent, and the refillable design allow you to use your favorite scents. Fill the bottles with essential oils or perfumes, and let the air vent diffuse . Features -Note: Just a empty bottle, perfume is NOT Included -Color:Assorted Color -Material:Glass, wood -Size:7.00X3.40X1.80cm/2.75X1.34X0.71in -Versatile usage: these car freshener diffuser bottles are nice for holding different types of perfumes, catering to your daily needs. -Relaxing atmosphere: the unique diffuser design creates a relaxing ambiance while driving, enhancing your overall driving experience -Easy installation: simply clip bottle onto your cars air vent for a quick and convenient setup -Portable design: these empty perfume bottles are easy to carry, allowing you to take your favorite scents with you wherever you go -Ideal gift: suitable for various car models, these diffuser bottles make an ideal gift for family, friends, and relatives Package list: 20 aromatherapy bottles