Isosceles tandem with 3 positions. Back and seat upholstered in cloth or cordovan. 5 cm pink foam. density 26. Back with plastic casing. Main horizontal metal structure in rectangular tube 3" x 1 ½" 18 gauge. Tandem base in 1.9" round tube 20 gauge. Finished in epoxy-polyester paint with electrostatic application and decorative, leveling and protective polypropylene end caps.