Product InformationMaterial: Glass Capacity: 12ml Total height: 50mm/1.97inch Open mouth diameter: 13mm/0.51inch Container bottom diameter: 40mm/1.57inchProduct descriptionHow to Use？ 1. Remove the inner stopper of the bottle 2. Unscrew the wooden cover 3. Put your favorite essential oil into the car perfume bottle (within 5ml) 4. When the smell is not enough, please invert the bottle for 3 seconds 5. Hang the perfume bottle pendant on the rearview mirror of the car (or any place you like) Note: Since the car perfume bottle is made of glass and wood, please be careful with children.