Includes 5 modular pieces: left-arm facing corner chair, wedge, 2 armless chairs and right-arm facing corner chair "Left-arm" and "right-arm" describe the position of the arm when you face the piece Modular pieces can float anywhere; sides are finished (with no connectors) Corner-blocked frame Attached seat and reversible back cushions High-resiliency foam cushions wrapped in thick poly fiber Throw pillows included Pillows with feather-fiber blend Polyester upholstery Non-skid legs Platform foundation system resists sagging 3x better than spring system after 20,000 testing cycles by providing more even support Smooth platform foundation maintains tight, wrinkle-free look without dips or sags that can occur over time with sinuous spring foundations