Spanish Pottery Water Jug Botijo Clay Water Holder This piece of pottery is called a botijo (history at bottom). This is usually a handmade item made from clay from Mexico. This is a traditional pottery item Spanish families would have to keep water cool. Sizes and shapes vary. The spout on this jug has a chip. 11.5in tall 8.5in wide Weight: 5.5lbs Information: A botijo, also called bucaro, is a traditional porous clay container designed to contain water. The botijo has the property that once filled, it cools the water that it contains, acting as an evaporative cooler.