This is a Bertoia Side Chair, originally designed in 1952 by Harry Bertoia for Knoll International. These particular examples date to the 2000s. Their design consists of a welded, chromed-steel wire seat and back, and each chair has a beige upholstered seat pad. The chairs have the Knoll imprint on the bases, a standard implemented by Knoll in 2004.The listed price includes one chair and there are ten available to purchase.Each chair measures 19.75 inches deep, 21.75 inches wide, and 28.75 inches high, with a seat height of 17.75 inches. These pieces do show some wear, including scuffs and scratches on the frames. The pads also show light surface blemishes from previous use. Overall, the chairs are in good condition. Please see photos.