Aumo-mate Portable Black Clip-on Car Truck A/c Mount Cup Holder Automobile Drinks Holder Water Bottle Can Folding Multi-function Car Accessories 1.Size(approx.): 4 x 3 x 2.3 inches (10 cm x 8 cm x 6 cm.) 2.Holds drinks up to 2 3/4 inch in diameter. 3. Ideal for most below 500 milliliter bottle of beverage soft drink 4.Attaches to the existing air conditioner vent The air outlet must be straight. 5.Keeps the drink warm or cool with air conditioner airflow.