Overland Vehicle Systems TMBK Roof top tent’s are made from the finest materials. Starting out with heavy aluminum plated base assembled using marine grade stainless steel hinged and hardware! Features a 81” square sliding ladder with steel hinges! Our Roof Top Tents are 4 seasons ready! Our Rooftop Tents are constructed using a 600D Heavy Duty Poly Cotton Rip Stop Canvas bodies that are build to stand the test of time through the harshest of conditions you can put yourself in.