This tumbled stone coaster features the "Thin Red Line" Flag. It was considered the first national flag of the United States.The thin red line flag was developed to show support and solidarity with fire service personnel and to honor injured or fallen firefighters. Save your counter from spills and stains with these patriotic coasters, or buy some as a gift for a friend! Each coaster is 4 in. x 4 in. and stands 1/2 in. high. As these are cut from real rock, the white flecks and edging on each one will be unique. They are easy to clean, and come with a cork bottom to prevent slipping, and heat transfer. You can buy them in singles or packs of 4. (COAST2-AM12)