National Public Seating steel frame blow molded resin plastic seat and back folding chair with double brace. Made for comfort and efficiency, these high-quality blow-molded plastic folding chairs feature a contoured seat and back for your comfort. Lightweight for easy handling, they are stain resistant and perfect for easy setup and take down, indoors or outdoors. We have added additional under-seat cross braces for stability and for strengthening along with a cross brace on each side to ensure your safety, support, and comfort. Features 19-gauge steel with metal underbracing on seat for added durability. Two cross braces for strength. Powder-coated frame. Single hinges on each side for added stability and durability. UV Protected. Red plastic seat and back, black frame. Measures 18-3/4" width by 32" height by 21-1/2" depth. Folded measures 18-3/4" width by 42-1/2" height by 3" depth. Seat measures 15-3/4" width by 18" height by 16-5/8" depth. Back measures 18-3/4" width by 9-1/4" height. 10 Years warranty. MAS Certified Green. Products meets or exceed applicable ANSI/BIFMA standards.