This automotive cup holders be compatible with most vehicles, RV, , trucks, etc, it fits standard round original car cup holders, please compare our product dimensions to your vehicle cup holder in diameter before purchasing. It could made your car tidy and beautiful.There is also a non-slip silicone pad at the bottom, make sure that the bottle is stable when the car is running.[Multifunctional Car Cup Holder Design]: Multifunctional car cup holder can be divided into 2 cup holders by rotating the upper holder. The lower cup holder fits for bottle diameter that small than 3.74 inch, compatible with for Hydro Flasks 32/40 oz, 32/40 oz, , Nalgenes, , , etc.The upper cup holder expander adapter can be extended to 3.74 inch-5.9 inch, allows for larger water cups, , food,fried chicken bucket and instant noodles, etc.[Easy to Use and Install]: Insert the base into the car cup slot,Rotate the cup holder expander to expand the bottom adapter and firmly fixed the base,This 2-in-1 car cup holder extender fit most models and may not be compatible with some cup holder styles with pointed or elongated shapes. The cup holder shaft can be rotated 360 degree, turning one cup slot into two, which can store two beverages at the same time, increasing space utilization .Color: BlackMaterial: ABS+SiliconePackage Contents:1 x Cup Holder ExpanderOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.