FIT MOST CAR CUP HOLDER SIZE: The thickening car cup coaster's thickness is 0.66'', the deep design can hold more overflow of water, juice and liquor from the cup. Add a new extension up to 1.02'' for easy access. Diameter of the bottom base is 2.75'', and top is 3.26'', which is suitable for most car cup holder applications. [ Please measure your car's cup slot size before purchasing, to avoid the size error to bring you trouble. ] HEW STYLE DESIGN: The design of this coaster is inspired by diamond pattern, symbolizing eternity like diamonds. You will get 4 set silicone car coasters, the quantity can meet your daily use and replacement needs. LONG-TERM USE & HEAT RESISTANT & DISHWASHER AVAILABLE: The car coasters are made of food grade silicone, soft & flexible. Heat resistant range from -40F to 480F, can be used for cold or hot drinks in car. If it gets dirty, just throw it in the dishwasher. PRESENT CHOOSE: These unique car coasters are great for new car buyer, birthdays, New Years, wedding, holiday, Christmas,Thanksgiving,Anniversary or Valentines day present choose. OFFERS: Machine Wash. If you have any questions,we will help you solve it.[Patent copyright protection products]