Internal wood and derivatives construction for modular sofa. Padded with fireproof polyester fiber and non-deformable polyurethane foam of various densities (CAL117). MDF mass base in black. Upholstery in the samples' hues is available in fabric or leather. Except in Cat. L1, L2, and customer/COL leather, everything is completely detachable. The back cushions are made of polyester fiber. On request, polyester fiber decorative cushions are available.