This is an Eames Aluminum Group Management Chair, Model EA335, originally designed by Charles and Ray Eames for Herman Miller in 1958. These particular examples were produced in the 2010s. Their design includes a solid yet lightweight aluminum frame, and their upholstery is done in white leather. The design offers a tilt feature with locking capability, and features a full 360-degree swivel. These models feature a manual lift mechanism. The listed price includes one chair and there are four available to purchase. Each chair measures 21.25 inches deep, 22 inches wide, and 33 inches high with a seat height is 18.5 inches. The upholstery is in excellent condition, with some light wear. The bases have some light wear, and the arms look pristine. Overall, the chairs are in excellent condition with some signs of wear. Please see photos.