Expandable Car Cup Holder Adapter with Adjustable Base and Coaster for Most Car Cup Holders

Cup Holder: The extendable base can be adjusted from 6.6 to 9.7 cm in diameter to fit different types of car cup holders. Simply rotate the adapter base to extend or retract the base and it can be firmly fixed on your car cup holder. U-Shaped Slot: This design is very convenient that cups or mugs with handle can be perfectly placed in this car cup holder without tipping or splashing. Shrapnel and Silicone Coaster: The silicone insert of the car cup holder can make cups easy to put in and take out of the adapter. The coaster can ensure that the cup is fixed in the cup holder when driving, will not shake or fall, and avoid friction of the bottle body. Durable Material: The main body of the car cup holder is made of plastic (ABS), lightweight, durable, waterproof and easy to clean. Suitable for Different Sizes: The silicone shrapnel allows the adapter to work with bottles/cups from 7.4 to 9.8 cm in diameter. Extended version of the cup body to fit longer and larger cups, more stable and less prone to shaking and fits most water bottles from 591 ml to 1134 g.