Unique - The square coasters set are made of slate - a natural material. A special sealing of the slate plates maintains the natural, noble, matt and anthracite-colored surface, protects against imprints and makes cleaning the slate plate easier. Non-slip - You get 8 robust square stone coasters (10 x 10 x 0.4-0.6cm) with 4 rubber feet on the bottom in a nice. Thanks to their rubber feet, your glass table always stays clean, without unsightly scratches and wreaths. Fashionable Design - The square slate coaster fits on every table. The classic design looks great and is the great gift idea. Easy to Clean - The slate coasters are heat-resistant and very easy to wash. A special protective layer preserves the natural slate surface and makes cleaning easier. Post-treatment with oil is not necessary! Dirt can be easily removed with a little washing-up liquid and lukewarm water. The cup coasters slate can be easily cleaned with a wet cloth, but are not suitable for the dishwasher. Multifunctional - No more stains on the table. With the slate placemats and coasters you protect surfaces from grease and water stains. The stone coaster for glasses are ideal for hot and cold drinks, cups, mugs, alcoholic beverages, oil bottles, vases, flower pots and much more.