FORMA MARINE High Back Deck Chair, Boat Chair, Folding, Anodized, Aluminium, Navy Blue, Model M150NB Manufactured with superior quality and high endurance materials withstanding harsh sea water environment. POLYFOR Fabric, resistant to mould due to humidity. Frame: Special aluminum alloy anodized tubes diameter  1'', rust-free hardware. Beautiful Rounded Teak or Iroko Armrests. Specially designed anti-skid smooth leg tips that do not mark boat decks FORMA MARINE specializes in the manufacturing of boat chairs in GREECE since 1979.