This authentic Bertoia Side Chair (Model 420) features a sculptural, hand-welded steel wire lattice that serves as both the seat and back. Its delicate, filigree-like appearance belies its incredible strength and durability. This specific piece comes with a vibrant green seat pad that snaps securely onto the frame using metal fasteners, providing both comfort and a bold pop of color. Designer: Harry Bertoia Manufacturer: Knoll International Model Number: 420 Design Year: 1952 Materials: Welded steel wire frame and upholstered foam seat pad Measurements: Width : 53 cm Depth : 49 cm Height : 75 cm Height to the seat: 43 cm Worldwide shipping!