2 in 1 Design: The car cup holder is equipped with two storage cups, small size and large capacity, to save space in the car, and can hold two drinks at the same time. / p> Elastic opening: The thick and fine cup sizes are suitable for open-mouth car cups. The cup body can be rebounded automatically, it can also be closed automatically when the cup holder is not in use to keep your car clean. Adjustable base: The base of the auto cup holders can move from left to right. The position can be moved and adjusted according to the body space, which is the most comfortable place to reach your drink. It's convenient to store and take, and saves space inside the car. Anti-slip base: Each cup holder comes with 12 anti-slip and impact-resistant sponge pads. You can use the sponge pad to fill it if there is a gap between the installation position and the base of the cup holder. The bottom of the car cup holder helps stabilize the cup body and prevent slipping. Quality Guarantee This double cup holder extender is suitable for most car models, the except some models of cars which can not match the size of the cup holder. Please read the relevant dimensions and parameters carefully before ordering to avoid unnecessary misunderstanding. Please contact us if your car water bottle holder is not suitable for you for any reason, we will refund your money.