Corner-blocked frameAttached backs and loose seat cushionsHigh-resiliency foam cushions wrapped in thick poly fiberAccent pillows includedPillows with soft polyfillPolyester upholsteryExposed feet with faux wood finishPlatform 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 foundations