... short leadtime promotional paper coaster,drink coasterCoaster (drink coaster, beverage coaster, or beer mat)Coasters are generally used in ... great effects.Except the coasters (beer mats, drink coasters, beverage coasters), saucers were also long used in Europe for ... widely used in restaurants.Coasters (beer mats, drink coasters, beverage coasters) have different kinds according to the material, like ...