Authentic Knoll Barcelona lounge chair, with Sabrina Black leather tufted cushions and chrome base. Price: $3,125 / (8) Available  -   SOLD IN PAIRS ONLY. Knoll Barcelona Lounge (Sabrina Leather) If you have office furniture needs, Office Furniture Center is a nationwide provider of cost-effective workstations, desks, credenzas, seating, filing, reception and conference furniture. Our entire inventory of affordable office furniture is located in Chicago; to browse our selection, please visit officefurniturecenter.com.