This is a Cardan Swivel Office Desk Chair, originally designed in 2011 by Bernhardt Design. These particular examples were produced in the United States in 2016. Their design includes a 5-star polished aluminum swivel base on dual wheel casters, and these examples have a pneumatic height lift function. The fully-padded shell seats are upholstered in a tan leather.The listed price includes one chair and there are three available to purchase.Each chair measures 26.5 inches deep, 26 inches wide, and is 34 inches high, with a seat height of 17.75 inches. These pieces show light wear, including scuffs and scratches on the base and minor pen marks on the leather. Overall, the chairs are in good to very good condition with light wear. Please see photos.