These are L.A.M Desk Chairs, originally designed by Lievore Altherr Molina for Bernhardt Design. These particular examples were produced in 2018. The chair is features a polished aluminum five star base with a swivel tilt mechanism and pneumatic lift for adjustable heights and the seats are upholstered in a beige leather. The listed price includes one chair and there are 11 available to purchase. Each chair measures 24.25 inches deep, 24.75 inches wide, and 33.75 inches high with a seat height of 17.25 inches. These pieces show minor wear from previous use but overall are in very good to excellent condition. Please see photos.