The structure of metal and laminated timber internal content structure of non-deformable polyurethane of different hardness (30GRF; 25FEE; 35EM and 65), covered with synthetic material 200 g or 500 g, which adds softness filling pillows for seating polyurethane of different hardness (TL30 / S + T18 / S) ; the upper part is covered with cotton fabric technology in combination with cotton 350 gr / m2, the lower part is covered with polyester filling and cotton pillows lumbar outer coating of technical white g