Walnut Slab Lake Mendota 1378D. The length is 120 inches long. The widths are 17, 15, and 18 inches. Flattened thickness of 1 3/4 inches. In person sales takes precedence over web sales. Come see the slab in person. The website is updated frequently but there is a chance something online could be sold already. Feel free to email and inquire about specific slabs. Local pickup only, call/email for more information or to schedule.