(4 Pack) 600 Series Heavy Duty Plastic Folding Chair, Speckled Grey Folding chair with plastic seat and backrest and steel frame for temporary seating and efficient storage when not in use 19 gauge tubular steel frame supports 300 lb. static weight "Y-frame" structure and welded front and rear leg cross braces for stability Plastic seat supported by steel cross brace for strength Blow molded plastic seat and backrest are UV protected to withstand sunlight during outdoor use