Advantage Navy Church Chairs 18.5 in. Wide These Church Chairs ship to you fully assembled! 16 gauge, 13/16 in. square tube steel frame 3 in. padded 2LB. 100% virgin polyurethane foam seat Plywood base for seats and backs with cut away back for added lumbar support T-NUTS to connect seats and backs to chair frame (stronger than wood screws) Foam and Fabric meet flame retardant specification CA117 Fabric durability- 200,000 double rubs (Wyzenbeek test) Weight limit- 800 lbs. (static weight) 5 year normal use warranty on foam and fabric LIFETIME warranty on frame failure due to broken welds