9100 Series Vinyl Upholstered Stack Chair, Supports Up to 300 lbs, 18" Seat Height, Black Seat/Back/Base, 4/PackFine seating at a fantastic price when you add the 9100 Series Vinyl Upholstered value stacker to any venue. This affordable stack chair brandishes a 1. 5" thick, pullover style, foam padded cushion covered with thick easy to clean vinyl. Plywood core within both the seat and tapered backrest which features a built in handle for easy moving and stacking. A mighty 19 gauge square tubular steel frame includes under seat bars to provide excellent support