The Curtainside - Supreme's Curtain Side Van combines all the advantages of a flatbed – like loading oversized materials such as lumber, cabinetry and windows – with the cargo protection of an enclosed van body. With curtains made of a rugged reinforced polyester material and an extra heavy-duty understructure for needed support, you’ll experience easier operation and less curtain billowing on the road – offering the best in functionality and ease in the Curtainside - Supreme's Curtain Side Van.