Shell: Load-bearing shell made of Baydur® (compact techno-polymer for moulding) over-moulded with polyurethane foam rubbers; Seat in metal tubing covered in polyurethane foam rubber. Polyester wadding. Note: considering the construction of the product, outdoor use is not recommended. Bases: • FOUR ASHWOOD LEGS: solid natural ashwood frame painted with transparent staining, available in natural, brown or bleached finish • FOUR METAL LEGS: frame in elliptical steel tubing, powder coated in the finishes matt white, bronze, black nickel, orange, blue, and olive green. • ROCKER: frame in elliptical steel tubing, powder coated in matt white, bronze, black nickel, orange, blue, and olive-green finish. Rocker bases in natural solid ashwood, painted with transparent staining, available in natural, brown or bleached finish All variants of SIENA are not stackable. Upholstery Padded small armchairs can be covered in fabric or leather. Possibility of seat with removable cover with surcharge.