Amazon Basics Expandable Car Cup Holder with Adjustable Base, Fit Big Bottles 3.4 to 3.8-Inch
The Amazon Basics Expandable Car Cup Holder is designed to keep beverage cups and bottles secure while driving.
It is ideal for use in cars, trucks, SUVs, recreational vehicles such as boats, RVs, and more. The cup holder expander has an adjustable base that can fit into most vehicle cup holders between 2.5-3.75 inches.
The durable ABS plastic construction can easily withstand rugged driving conditions. The flexible rubber grip tabs inside allow you to place and remove cups and bottles to prevent tipping.
It is compatible with Yeti Ramblers (20, 26, and 30 ounces), Hydro Flasks (32 and 40 ounces), Nalgenes (30, 32, 38, and 48 ounces), beverage containers between 3.4-3.8 inches, and most 32-40 ounce bottles.
Note that it does not fit Rambler 14 ounce mugs.