EMEMO Square Slate Coasters (Set of 4) 4"x4" - Black OUTSTANDING APPEARANCE: Make your dinner table or bar stand out with these gorgeous black slate coasters. If you are tired of bland or cute coasters, this EMEMO coaster set is the stylish, adult choice! Give your kitchen a touch of authenticity and uniqueness with these awesome black slate coasters. FINEST MATERIAL AND DESIGN: The EMEMO coaster set is handcrafted with genuine black slate, direct from natural charcoal! Each one is of 4x 4 size but has a unique, hard and rugged pattern. Because a completely symmetric coaster set would be boring! EASY TO CLEAN: No dust or residue involved, and you can/should easily clean any drops or spills off the coasters regularly with a simple damp cloth! TABLE SAFE: Dont be intimidated by the jagged-looking edges, our round slate coasters come with 4 felt bumpers each! Dont worry about the surface of your table, these coasters will leave it scratch-free! SATISFACTION GUARANTEED: We are confident you will love the EMEMO slate coaster set. Just read our customer reviews! Thats why we safely offer you a money back and replacement guarantee. Simply return the set within 30 days for a replacement or a full refund!