Durable Silicone Construction Crafted from quality silicone, these car coasters offer durability and performance. Silicone's insulating properties ensure a comfortable grip when handling cups, even during long drives. The natural friction of the material helps keep cups and other items securely in place, effectively preventing slips. Its abrasion resistance means the coasters maintain their shape and performance over time, extending product lifespan even with frequent use. Protective and NonSlip Design These coasters safeguard your cup bottoms from scratches and wear, helping preserve the life of your drinkware. They also provide a protective barrier between cups and your vehicle's interior, reducing the risk of scratches on the cup holder surface. The nonslip functionality ensures that beverages remain stable while the vehicle is in motion, adding an extra layer of safety and preventing spills. Wide Compatibility Each set includes 4 coasters with a diameter of 3.15 inches, designed to fit most car cup holders on the market. Their universal sizing allows use not only in cars but also in homes, offices, and other places where cup stability and surface protection are needed. They help reduce unwanted noise from cup movement while driving and can also be used under mugs or glasses on desks or tables. Before , measure your vehicle's cup holder to confirm proper fit. Easy Installation and Cleaning The recessed design allows for quick, hassle installation—simply place the coasters in your cup holders. They immediately minimize movement and noise from cups during bumpy rides, creating a more comfortable driving experience. Cleaning is effortless: rinse them under running water or wipe with a damp cloth to keep them looking and performing like . Practical Use Scenarios Daily commuting: Keeps coffee cups stable in the cup holder, even during sudden stops. Road trips: Reduces cup movement and noise for a quieter, more enjoyable drive. Office desk use: Protects surfaces from water rings and scratches caused by mugs or bottles.