【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.
**Spacious Slot for Drinkware** The U-shaped opening accommodates mugs or bottles with handles, making it ideal for YETI Rambler sizes 10oz and 12oz, as well as various 10-20oz mugs.
【Ultimate Sturdy Design】 Rubber grips inside the cup holder secure bottle tightly, eliminate the noise and movement in driving.
【Cup Holder For Large Bottles】 Cup holder extender for car is big enough to hold oversized bottle, works good with yeti, hydroflask, 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.