DescriptionMaterial: high quality ABS plasticHolder Inner Diameter: 6.8cmPlacement on Vehicle: air vent outlet grilleSuitable for: bottle, drinks and ashtray whose diameter is less than 6.8cmCompatible: for Car/Auto/SUV/Off Road/Pickup/MPV/RV/VehicleFeature:1) A very nice way to hold your favorite bottle, or cup steady during driving.2) Easily installed on the car's air conditioning vent with two clips.3) Keeps the drink cold or warm with air conditioner airflow.4) Drinks can be better secured with the spring sheet.5) Movable flapper at the the bottom, make the cup holders more stable.6) Damping cotton at the bottom, no shaking, no noise.