Our black slate coasters blend fashion and modernity. Their unique appearance infuse a sense of luxury and elegance into the home space. These modern coasters are sure to impress guests and elevate the interior design. Made of 100% Natural Slate , these coasters are handcrafted from unprocessed rock. The original stone textures look fabulous and beautiful. We guarantee that the black stone coasters will retain the original colors, providing a long-lasting and enduring home aesthetic. Easy to maintain and clean with a simple damp cloth, does not stick to glasses/mugs with condensation. The slate is strong, and has increased longevity and it does not need as much maintenance as other stone coasters. Size: 4"x 4" Comes in a set of 4