Corner-blocked frame Attached back and loose seat cushions High-resiliency foam cushions wrapped in thick poly fiber 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 4 decorative pillows included Pillows with soft polyfill Polyester upholstery and polyester pillows Exposed feet with faux wood finish