Corner-blocked frame Loose seat and back cushions High-resiliency foam cushions wrapped in poly fiber Polyester interior upholstery and faux leather exterior upholstery Bronze-tone nailhead trim 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