Certificate in accordance with European Standards EN 1176 by the German TÜV - SÜD.
Made of pine wood impregnated with non-toxic salts in autoclave. Frame consists of bands section 7x4,5 cm and cross section of reinforcement 7x7 cm. The seat is made up of juxtaposed bands of sect. 9x3,5 cm and the back with strips of sect. 14x3,5 cm. Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.