Since 1790 the U. S. Coast Guard has been an integral part of maritime security and rescue.  Show your Coast Guard pride with this stone coaster.  Made from absorbent stone that helps to keep furniture free from drips, spills and condensation. With their cork back the coaster will not damage your furniture. 
Each coaster measures nearly 4 x 4 inches.  Sold as each. Made in USA.
*Two coasters shown in photo for display purposes. Sold as each.