Our OZY Gullwing Canopy Caravan and Trailer Toolboxes are Manufactured from low maintenaince 2.5mm Heavy Duty Checker Plate Aluminium (3mm including checker) the OTC-1678 is the perfect low resistance storage box for any caravan or trailer. Designed with internal support for a spare wheel, Right side slide suitable for small fridge, generator or bbq. Built to be strong, secure and durable, this box features fully TIG welded seams, weather and dust proof seals to keep your gear nice and dry, stainless steel piano hinge and locks that are keyed alike.