This Wooden Bowl is made from a single piece of walnut wood. It measures 15" in diameter and 4.5" high. Since 1857 these bowls have been produced in the same mill in northern New England. The continuity of operation over the years has been in large part due to the skills of employees, who passed down their knowledge to various generations of their families, many of whom currently work at the mill. Wash in warm soapy water, do not let bowl sit in water, oil as needed with food safe Mineral Oil. Also available in Cherry, 15", 12" and 9".