The Cargo Express Pro Series has a tube Main Frame Construction, 16" o.c. Frame, 16" o.c. Tube Side walls, 16" o.c. roof bows, 3/4 Floor, 5.2 White walls, White ceiling liner, 48" side door with flush lock, 2-dome lights w/switch, LED tail and clearance lights, two side wall vents, screwless exterior, one piece aluminum roof, 2000-lb. tongue jack, 24" stone guard, 4-heavy duty D rings and automotive undercoating. Additional options include: flat top, 5200# Torsion Axles, third member on tongue, two-tone Black exterior with chrome strip, radius side and 48"wide escape door and two extra D-rings.