Mason Cash has been the choice of home cooks and bakers for centuries. The Unglazed Terracotta Baking Stone is perfect baking many varieties of bread. The Stone measures 14 inches long, 12 inches wide and 0.75 inches high. The baking stone is perfect for so many types of bread that you will be able to use this piece for years. Baking bread in porous clay has been practiced for centuries, and has been perfected by Mason Cash. The secret of baking in terracotta is simple - the terracotta must be unglazed. It is porous and will draw in moisture from whatever touches the surface. When bread dough touches its surface, it will draw or wick moisture away from it, giving a crispier crust when baked. Mason Cash is fundamentally rooted in its English heritage. Over the centuries, they have developed a great understanding of the requirements and expectations of cooks, producing innovative, functional, effective kitchenware and utilizing the best quality materials possible to produce the very best items that exceed consumers" expectations. Designed in U.K., Manufactured in Portugal.