The top is 1 1/2" thick solid wood. ADA accessible 28 1/2" clearance from floor. The table allows for power/data management down the end panels and center panel chase, with lower stretchers for wire management directly to floor outlets. The 54"L table seats two, the 72"L table seats four, and the 120"L table seats six. However an optional 19" overhang on the ends allows for end-of-table seating.