Beech coloured wooden chair with metal frame Seat surface and back lacquered with Polyurethane long lasting paints. High Gloss Nickel Chrome Plated Stand Also available in Mahogany stained and Wenge veneered wooden shellWOODEN SHELL : Beech coloured L shaped chair shell Polyurethan wood lacquer coating paints ensures a water proof coating on the wooden components resulting to a long lasting crack free life of the chair seat and back. METAL FRAME : CRC tubular Nickel Chome electroplated Stand.. The stand is made of 1.6mm thick anti rust treated CRC Steel tubes. They are electroplated with Nickel and then a chrome coating on top ensureing a very long service life of the finished product even in hostile seashore salty weather condition.PLASTIC PARTS : Nylon Plastic It is one of the hardest and most durable plastic. The use of Nylon to make leg bush of the chair eliminates all chances of the same breaking and causing scratches on your office flooring for many years.GOOD TO KNOW: For increased stability, retighte the screws around 2 weeks after assembly.