A coaster, drink coaster, beverage coaster, or beermat is an item used to rest beverages upon. Coasters protect the surface of a table or any other surface where the user might place a beverage. Glass Coasters are made up of different kinds of glass such as the clear glass, tinted glass, lacquered glass, color glass and are made with the fusing technology and come in various designs and vibrant colors. Personalized Glass Coasters are an elegant way to say thank you to your guests!