PRODUCT DESCRIPTION: Our car diffusers offer a whole new meaning to car fragrance! Directions:1. Fill the bottle with your fragrance mix, replace the wooden lid and rotate to wet the wood.2. Remove the wooden lid, replace the plastic stopper, and screw the wooden lid back on tight. Warning: Avoid over-saturating the wooden lid and be sure to keep the plastic stopper in place to prevent spillage. Failure to follow these instructions could result in damage to some surfaces. Wipe all spills immediately and keep out of reach of children and pets. SPECIFICATIONS: Mouth inner diameter 0.295 inches approx. 0.75 cm approx. Body inner diameter  0.866 inches approx. 2.2 cm approx. Widest diameter/outer diameter 1.433 inches approx. 3.64 cm approx. Bottom diameter  1.035 inches approx. 2.63 cm approx. Height 1.527 inches approx. 3.88 cm approx. Weight 0.934 oz. approx. 26.5 g approx. Suggest volume 0.236 oz. approx. 7 ml approx. Brimful volume 0.270 oz. approx. 8 ml approx. Inner height 1.311 inches approx. 3.33 cm approx. Bottom thickness 0.236 inches approx. 0.6 cm approx. Wall thickness 0.098 inches approx. 0.25 cm approx. BROWSE: Available Colors | Other Black Vessels.