Certificate in accordance with European Standards EN 1176 by the German TÜV - SÜD . Made of double shell consists of two plywood panels of mahogany okoumé 1,9 cm thick and grooved phenolic-glued with rounded corners. Treatment with potting colored non-toxic paint and finished with wax-based water-soluble. Complete with handles and footrest in tubular galvanized steel oven 180°C.The structure is fixed on a steel spring is painted, and fully approved anti-crush fingers.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.