2 NPS Steel Frame Upholstered Folding Chairs For $33.34 Shipped From Amazon After $31 Price Drop! This was selling for $63.90 yesterday and is now the lowest price ever from Amazon. Overall WxDxH: 18-3/4×20-1/4×29-1/2″ Seat Height: 17-3/4″ Seat Material: Fabric Cross Braces: Double U-Brace Order in quantities of 4, priced each HT: mileagejunkie.