【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.
【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.
【Spacious Slot for Cups】 The U shape of this cup holder is designed to accommodate mugs or bottles with handles. It is suitable for YETI Rambler 10/12oz and other 10-20oz cups.
【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.