Stoneware 13 cm bowl designed with mottos from our Book Lovers collection. Stoneware is a clay-based material used in the production of plates and dishes, fired at temperatures between 1100-1300 degrees. It is much more durable than ceramic and less absorbent of water compared to ceramics. Because it is fired at a higher temperature, it can be safely used in the microwave, oven, and dishwasher for many years.