【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.
【Large Slot For Mugs】 The U shape slot allows mug or bottle with handle to fit in this cup holder. Perfectly for YETI Rambler 10/12oz and other 10-20oz mugs.
【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.
【Holder for Large Bottles】 This cup holder extension is capable of accommodating large bottles, suitable for yeti, hydroflask, and most 20-40oz water bottles. Works effectively with oversized containers in your car.