Includes 4 pieces: left-arm facing corner chair, wedge, armless chair and right-arm facing corner chair "Left-arm" and "right-arm" describe the position of the arm when you face the piece Corner-blocked frame Reversible cushions High-resiliency foam cushions wrapped in poly fiber Throw pillows included Pillows with feather-fiber blend Polyester upholstery Exposed feet with faux wood finish 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