Neoprene sublimation car coasters. 2.75 in from side to side and .15 in thick. Soft and durable made from high-quality diving material, which is not easy to wrinkle. Anti-slip rubber base natural rubber which features an anti-skid texture, it can grip firmly on desktops, tables, or car holders. Notch design makes it easy to remove from car holders. Suitable for most cars, trucks, ships etc.