【Multifunctional Dual Cup Mount Extender】:The car cup holder is equipped with two storage cups by adjusting the rotatable base, small in size and large in capacity, for the purpose of saving car space. It's also a storage box or holder for your smartphone, glasses, cables, coins, keys etc. | 【360° Rotating Base】:The base of the upper cup holder can rotates 360 degrees freely. The position can be shifted and adjusted according to the space of the car body, which is the most comfortable place for you to reach your drink, and save car interior space. When you don't want to use 2 cup holders, you can turn it into one cup holder to save car space and keep the car clean and beautiful. | 【Adjustable size】:Multifunctional car holder works best with bottles/cups 3.0"-5.9" in diameter, fits most 20 oz water bottles. As car water bottle holder height only has 6.7cm, it is recommended not to store too high cups or water bottles. | 【Shockproof Cushion Pads】: If there is a gap between the mount and the base of the holder, use the buffer sponge pads to fill in with it, which can not only reduce vibration but also stabilize the holder. | 【Quality Assurance Service】:Please read the relevant dimensions and parameters carefully before order to avoid unnecessary misunderstanding. If your car bottle cage is not suitable for you for any reason, please contact us and we will provide you with a full refund or replacement of a new product.