This is an AC 5 Desk Chair, originally designed by Antonio Citterio for Vitra. These particular examples were produced in 2015. The design features a cushioned seat and back upholstered in light grey fabric, complemented by a polished aluminum base and aluminum ring armrests.The listed price includes one chair, and there are nine available to purchase.Each chair measures approximately 21 inches deep, 23 inches wide, and 39.75 inches high, with a seat height of 16 inches. These pieces show minimal wear from previous use and are in very good condition overall. Please see photos.