Includes 3 pieces: left-arm facing sofa, wedge and right-arm facing sofa "Left-arm" and "right-arm" describe the position of the arm when you face the piece Corner-blocked frame Reversible back and seat cushions High-resiliency foam cushions wrapped in poly fiber Accent pillows included Faux leather lumbar accent pillow Pillows with soft polyfill 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