Certified according to European Standard EN 1176 by the German TÜV - SÜD. Round tubular structure in painted electro galvanized steel and baked finishing at 180°C, composed by an horizontal beam Ø 8,9 cm and n° 4 oblique shaped poles Ø 6 cm connected through appropriate welded joints to the beam. N°1 bird nest seat dim. Ø 100 cm composed of colored synthetic woven ropes and reinforced with stainless steel core, available with hot dipped galvanized small mesh chains, connected to the beam trough a double fixings. Assembly system with 8.8 galvanized steel bolts and self-locking nuts. Colored nylon cap nuts as required by law.