SEPARATE WAY Plain Square Cork Coasters are eco-friendly, heat-resistant, and water absorbent. Measuring 4 inches in diameter, this set of 6 coasters is ideal for protecting surfaces in homes, offices, or restaurants. These are Durable and appropriate for the intended use, such as microwave-safe or non-reactive for acidic ingredients. These sets are ideal for home cooks, bakers, and anyone who loves to entertain, offering functionality and style for everyday use or special occasions.