For Large Bottles: Cup holder adapter for car is big enough to hold large water bottles and mugs, works with most popular brand of bottle in 2.7" - 4.2" (16-46oz).
Universal Fit For Car: The insert is expandable from 2.6"-4" to fit different cars. Upgraded offset base allows it compatible with the gear shifter, center console lid and place two cup holders side by side.
Simple setup: To set it up, simply grip the base and rotate the top. The base will either pull back or extend to accommodate various car console cup holder sizes.
Stable Design: There are extra rubber tabs around the top and a coaster on the bottom which ensure the cup would be firmly held without tipping or noise.
2 in 1 Car Cup Holder: Cup holder expander comes with a phone holder. Phone holder fits almost all phones on market and can also store other small items like wallet, glass, etc.