These Silver or Black scented car diffusers from Ruby + Mia will keep your car smelling great for 30-60 days. Just unscrew the lid, take out stopper, screw lid back on and turn upside down for a few seconds. The fragrance will diffuse through the cork top inside. When fragrance subsides, simply turn the bottle upside down again for a few seconds.
Your diffuser will either have the black or silver top