Certified according to European Standard EN 1176 by TÜV – Product Service Institute. Made of fibreglass composed by different layers in high density resin and metallic frame for the inner reinforcement. Finished with decorative, hand-made drawings. Provided with handles and foot rest in coloured nylon. The structure is fixed on a steel spring varnished in a kiln, homologated and with anti-finger-cracking system. Assembled by zinc plated steel bolts 8.8 and self-locking nuts. Nut covering elements in coloured nylon according to the standards. Varnished in a kiln at 180°C.