NATURAL DARK SLATE STONE COASTERS: These coasters are made from natural slate stone, which is eco-friendly, non-toxic, odorless, and heat-resistant. The slate contains various trace elements and minerals beneficial to the human body. The natural pattern also allows you to get closer to nature. DIY PERSONALIZED SLATE COASTERS: Monochrome simple design, stylish high-end coasters. Use white chalk or other tools to DIY your favorite patterns or text and design your own personalized coasters. NON-SLIP + PROTECTIVE FOOT PADS: The protective rubber foot pads under each coaster prevent scratches, protect your furniture, and provide stability to prevent unnecessary spills. SUITABLE SIZE, EASY TO CLEAN: The coasters are approximately 4 inches in diameter, suitable for glasses, coffee cups, mugs, wine glasses, tea cups, etc. Easy to clean, more convenient than silicone coasters. Simply rinse with water or wipe with a damp cloth. Do not use steel wool or dishwashers for cleaning. BEAUTIFUL DECORATION AND HOUSEWARMING GIFT: This is a practical, unique, and beautiful gift for housewarming parties and visiting friends. It is very suitable for birthdays, holidays, Christmas, and other holiday gifts. It is also a beautiful decoration, very suitable for decorating kitchens, living rooms, bedrooms, offices, cafes, bars, and other places. Protect your surfaces in style with these natural slate coasters! Personalize them for a unique touch.