THE COASTERS CAN FIT MOST CAR CUP HOLDER SIZES:
The car coasters size: 2.75" X 2.75" X .25". Standard size is designed to fit cup holders in most cars, vans, boat, SUVs and trucks.
 
IDEAL GIFT FOR SOMEONE WHO LIKES TO STAY HYDRATED WHILE DRIVING: If you like to bring your drink along while driving, the liquids dripping out of the cup will easily cause the cup holder to be dirty and smelly if you don't clean the cupholder in time. These absorbent coasters will solve your problem, keep your car cupholder clean and dry.