The shell 
is made of polyurethane foam with fiberglass reinforcement. The seat carrier consists of a steel spindle (dia. 28 mm) and an assembly steel plate (5 mm). The individual parts are welded and surface treated with matt zinc.

The base 
consists of a satin chromed swivel center part (dia. 38x2 mm) of welded steel tubing and a 4-star base in injection molded aluminium. The leg ferrules are in a black-grey synthetic material.