The rubber grips inside the cup holder provide a secure fit for the bottle, reducing noise and movement while 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.
【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.
【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.