Sold Exclusively Online. Add some elegance to your seating area with the Sofia nail button arched chair that comes in dining height, counter or barstool height. The cushioned, curved back seat is upholstered in polyester and stuffed with foam fill for comfort, then accented with a row of shiny brass nailheads all around the back. Tapered hardwood legs with a rich espresso finish complete the look. This unique styling offers superior back support for a long and leisurely dinner with time for dessert. Customer assembly required.