Easygoing on the outside, with a wealth of hidden strength within. The Knoll Spark Stacking Side Chair with Seat Cushion adds warmth and friendliness to your dining area with its soft angles and colors that are bright but not excessively showy. Its lightweight and comfortable frame is very sturdy and easy to clean due to its Glass reinforced Polypropylene construction. The chair can be stacked 6 units high, or 10 when placed on the Spark Dolly, allowing customers to own multiple chairs without taking up a lot of space. This version comes with a comfortable seat cushion made of Polyurethane foam.