This tumbled stone coaster features the "Thin Blue Line" Flag. It was considered the first national flag of the United States.In July 2019, the "Thin Blue Line" American Flag was put up by residents of York, Maine, as a way to pay tribute to a local police officer who was shot and killed in the line of duty decades earlier. 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-AM11)