Description: This coaster comes with a non-slip design on the back that keeps it from sliding and prevents your cup from tipping over while the car is moving. What this coaster can offer you is that it protects your car's cup slot from dirt and water spillage that stains the bottom of the cup slot, keeping the cup slot clean. Using high-quality PVC material, this product is sturdy, and shake-proof. The diameter of each coaster is 7cm. It is suitable for daily use in the car and at home. Item Name: Coaster Material: PVCFeatures: Portable, Anti-slip, Universal Size Details: Each Coaster Diameter: 7cm/2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Coaster(Others Not Included) This coaster comes with a non-slip design on the back that keeps it from sliding and prevents your cup from tipping over while the car is moving. What this coaster can offer you is that it protects your car's cup slot from dirt and water spillage that stains the bottom of the cup slot, keeping the cup slot clean. Using high-quality PVC material, this product is sturdy, and shake-proof. The diameter of each coaster is 7cm. It is suitable for daily use in the car and at home.