Certified according to European Standard EN 1176 by TÜV – Product Service Institute. Made of mahogany okoumé multi layer thickness cm 2,5, phenolic gluing, pantographed and with blunt edges. Treated with coloured impregnation and finished with non-toxic wax and water-thinable paintings. 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.