High Quality Materials- These auto drinking cup holder are made of thick ABS plastic, color: black. It fits regular sized cans, water bottle and juice boxes up to 3 inches in diameter. . Protect your Drink Car- The cup holder can be placed on the back, on the side door or inserted into the fan space, when the car is moving, the drink does not overflow. Beverage holder to keep drinks conveniently and stable at hand . Easy to clean- Waterproof and easy to clean, can be used for a long time, convenient cup, can be used to fill drinks. The cup holder has a hook at the end that allows easy installation and placement by clamping windows and door frames. . Universal- The cup holder can be used on almost all vehicles and fits most cans, bottles, beverage bottles, mugs etc. Multi-function holder car cup holder can be placed in the drivers door but also on all passenger doors in the front and rear. .