Cup Holder: The expandable base can be adjusted from 2.6 \" to 3.8 \" in diameter to fit various types of car cup holders. Just twist the adapter base to extend or retract the base, and it can be firmly fixed in your car's cup holder.

Removable base, the base can be centered and offset for different cup holder positions. car cup, side to side or front to back, which improves the use of two cup holder bases.

Splitter and silicone coaster: The silicone insert in the car cup holder makes cups easy to put on and take off the adapter. The coaster can ensure that the cup is fixed in the cup holder when driving, will not shake or fall off, and avoid friction of the bottle body.

U-shaped groove: This design is very convenient for cups or mugs with handles to fit perfectly in this car cup holder without tipping over or spilling. We always offer a one-year warranty.

Suitable for various sizes: The silicone splitter allows the adapter to work with bottles/mugs from 7.4 to 9.8 cm in diameter. Extended cup body version to fit longer and taller cups, more stable and less prone to shaking and fits most water bottles from 20oz to 43oz.