Come and see our amazing products. The car heat insulation water coaster is made of PVC. The material is soft, flexible, not easy to deform, and very safe. The car cup coaster is designed with a groove pattern, which can store a small amount of water droplets and prevent water droplets from falling into the car cup holder. If these car coasters are dirty, they can be easily cleaned in the faucet. It has a circular design and its size is approximately 2.76x2.76x0.2 inches. In addition, we welcome customized logos, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.