Universal Size - 2.75" diameter fits cup holders in most cars,trucks and so on ,also can be used at office.Tips: Please measure the size of your car cup holders before purchase. Better Protection for Your Cup Holder - Our cup holder is made to protecting your cup with its design in all environments. which is water-proof, keep your cup groove clean and tidy. Stop the bottom of cup holders from getting messy and scratching over time. High Quality - Car coasters are made of high-quality wood +transparent adhesive film,Withstand High Temperature,non-odor,and the non-slip. Easy to removed and Clean - If you like to drink something while driving, the liquids dripping out of the cup will cause the cup holder to be dirty. The coasters will keep your car cup holder clean and dry. Perfect Gift - Special design adds flare to your vehicle interior. It is a perfect car decoration, and also a great gift to your family, friends on Birthday Christmas Day , Valentine's Day.