Features: This car cup holder is fit for drinks bottles under 34oz. This cup holder fit different vehicles, such as SUV motorcycles, boats, trucks, RVs and golf-carts etc. By using the extendable base can make the cup holder firmly fixed in different car which has ROUND CUP SLOT. Base expandable- size is 2.6"-3.9". Dual car cup holder can be-divided into 2 cup holders, can be extended up to 4.1'', which can hold coffee, food, snacks, cellphones and keys, etc. To have a pleasant trip, it is recommended not to put too high or heavy bottles & cups in this expandable- cup holder. Made of high-gloss black material, with high strength and good-toughness. Specifications: Material:ABS Color:Black,Gray Base can adjustable 6.85-10cm/2.6"-3.9" Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Cup Holder Expander