This car air vent cup holder is made of high-quality ABS and EVA materials, sturdy and odorless. It has a strong load-bearing capacity of 1kg and can be easily installed without any auxiliary tools. The product features automatic adjust, non-slip design, and is suitable for most cars with horizontal air outlet. It can hold water bottles, beverages, ashtray, and other items, making it a convenient and practical accessory for your car.