The car cup holder has 360â° rotatable cup body, can holds two cup bottles at the same time, such as phone, hydro flasks, ipad, instant noodles in barrels or drinks and so on. the expansion and contraction of the cup holder adopts a rotating design. the three expanders at the bottom can better adapt to the cup holder slot of your car, you can freely adjust the size of the stretch to stabilize your cup holder on the cup holder slot at the same time, the notched cup slot allows you to have more choices when placing the cup. the rubber tabs at the bottom and the mouth of the cup help to eliminate the noise caused by the collision of the bottle and the cup holder, while keeping the cup and objects stable and not shaking.â