"Left-arm" and "right-arm" describe the position of the arm when you face the pieceModular pieces can float anywhere; sides are finished (with no connectors)Versatile modular pieces fit together in a variety of configurationsCorner-blocked frameLoose seat and reversible back cushions; high-resiliency foam cushions wrapped in poly fiberIncludes throw pillows, accent pillows, decorative round pillows and lumbar pillows; pillows with soft polyfillPolyester upholsteryLow-profile legs with faux wood finish Platform foundation system resists sagging 3x better than spring system after 20,000 testing cycles by providing more even supportSmooth platform foundation maintains tight, wrinkle-free look without dips or sags that can occur over time with sinuous spring foundationsEstimated Assembly Time: 10 Minutes