The sublimation car coaster is made of high-quality neoprene material, which is not easy to wrinkle and is anti-skid. The diameter of each sublimation coaster blank is 2.75 inches (7 cm) and 0.2 inches (0.5cm). Sublimation coasters can be used in cars, kitchens, bedrooms, cafes, etc. for placing coffee cups, wine cups, tea cups, and glass bottles.