The Amish Belleville Bench #B-401 is expandable with up to 4 leaves.
This custom bench in a 36" width is only available as a solid but the 48", 60", and the 72" all can come with leaves if that is what you need. It is 18" high and 12" deep. The 1" top and Mission edge are standard as well.
The leaf storage box will hold 2-4 leaves. This one is shown in Brown Maple wood with Michael's Cherry stain and we have a large assortment of stains available to choose from.