Contemporary and Comfortable product. The round table is with a High-Pressure Laminate surface and a T-Mould edge. The base is made of durable cast iron. The column is 16 Gauge steel. Levelling glides for stability on uneven floors. The chair has an "easy to clean" polypropylene seat and back. The ergonomic perforated back allows for enhanced circulation, while the radius conforms to your back for maximum comfort. The chair offers a contoured extra wide seat pan and a 400 lb. weight capacity to provide comfort and accommodate all sizes. The oval frame is made of 15 gauge steel with a silver powder coat. The 2300 is one of the most complete stack chairs on the market. It's just plain...KOOL.