Siberian Elm Slab Siberian Elm 1112C. The length is 130 inches long. The widths are 17, 25, 21, and 23 inches. Flattened thickness of 1 1/2 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.