Waterproof and dust-proof: m e of silicone, these dog paw coaster are non-slip, waterproof and dust-proof, protecting the original cup holder slot from dirty, dust and scratches, keeping it clean and non stick Universal size: each car cup holder coaster measures about 2.75 inch/ 7.0 cm in diameter and 0.23 inch/ 5.8 mm in thickness, a universal size that fits cup holders in most cars, trucks, RVs, boats and more, ideal choice for your car beverage cup Easy to clean and dry: these insert coasters mats are easy to remove for cleaning and easy to air dry, just wash it directly in water with a little dish soap, or wipe it directly with a wet towel, then let them to dry naturally in the wind or in the sun Cute dog paw: inspired by the footprints of cute pet dogs, each coaster is designed with cute dog paw pattern, not just a car coaster for you, you can also take it as decoration for the car or anywhere around your house Sweet gift: these cup holder coasters are nice accessories for most cars, which are sweet gifts for your friends and family members on New Year, Valentines Day, birthday, anniversaries and more