U.S. Navy Slate Coaster Set

Set of 4 Slate Coasters. Size is 4 x 4 inch, thickness is 0.36-0.58 cm. Perfect for use in your home, office, or bar. Sure to impress your friends, family and guests.  Made of 100% Natural Slate, which are handmade with unprocessed rock. The black stone coasters will not lose the original colors. Providing long-term aesthetic appeal for years to come.