A molded plastic structure may comprise a tabletop with an upper surface and a lower surface. A lip may extend downwardly relative to the lower surface of the tabletop, and the lip may include an outer surface and an inner surface. An inwardly extending portion may extend inwardly from the inner surface of the lip. A frame may be connected to the tabletop and the frame may include a side rail of a frame. The side rail may include a receiving portion that receives the inwardly extending portion. The side rail may also include a portion that supports the lower surface of the tabletop and a portion that supports the lip.