This car air vent drink cup bottle holder is made of durable ABS material and features a sturdy design that firmly secures your drink in place. It has an adjustable support rod for a balanced and stable fit across various car models and vent positions. The holder can support up to 1kg and is suitable for cups with a diameter less than 8.5cm. It is also multifunctional and can be used as a beverage ashtray mount stand. The product is easy to install and comes with a sleek black design that suits any car interior.