Review on Ceramic Coasters: 4 Inches with Unglazed Backing - Stylish and Practical Drinkware Protectors by Benjamin Nelson

These coasters are perfect for any industrial and scientific setting. The unglazed backing keeps them securely in place while protecting tabletops from spills and condensation. Their minimalist design complements any decor, making them a versatile addition to any food service establishment. However, they require a bit of extra care due to their fragile nature.