The National Public Seating 2300 Series steel frame upholstered premium fabric seat and back folding chair has a beige 18 gauge, 7/8" tubular steel "Y-frame" structure, cafe beige upholstered fabric seat and backrest, three double-riveted leg cross braces, double hinges on each side, and it folds for efficient storage when not in use. This chair meets the American National Standards Institute/Business & Institutional Furniture Manufacturers Association (ANSI/BIFMA) standard for drop weight support of 300 lb., and it supports 480 lb. of static weight. It has three double-riveted leg cross braces (two on the back legs, one on the front), and double hinges on each side for stability.
The seat and backrest are upholstered for comfort, with 1-1/4" thick, 0.9 lb. density foam in the seat and 1.2 lb. density foam in the backrest, and covered with fabric abrasion tested to withstand 30, 000 double rubs for durability under heavy use (abrasion testing uses an oscillatory cylinder tester to rub a