[Cup Holder for Large Bottles] Cup holder extender for car is big enough to hold oversized bottle, works good with most 20-40oz water bottles.
[Adjustable Base for Most Cars] The insert of car cup holder expander is expandable from 2.6"-3.9" to fit different cars, works great in vehicles with cylindrical cup opening.
[Ultimate Sturdy Design] Rubber grips inside the cup holder secure bottle tightly, eliminate the noise and movement in driving.
[Easy to Install] Just insert the car cup holder extender into car original cup holder, then twist until it is tight. That's all about it.
[Large Slot for Mugs] The U shape slot allows mug or bottle with handle to fit in this cup holder.
