Seat cushions: Ozone-friendly, non-carcinogenic High-Resiliency (HR) foam core containing 10% soy, a renewable natural resource. Foam does not release ozone-depleting CFCs into atmosphere during manufacturing. Foam core is 1.8 HR or higher, depending on density needed to create the most comfortable seat for each piece. Core is wrapped in 80% regenerated fibers. Lowers you gently but firmly to sitting position, then reshapes when you stand.• Back Pillows include recycled fibers that were once plastic bottles.• Foam padding used generously throughout the back and arms is earth-friendly and soy based.• Each cushion is engineered specifically for each piece. Insures correct seat-to-back relationship• Meets California 117 codes for flame retardancy• Two types of cushions: Eco Luxe: Foam core wrapped in poly fiber an put in 100% cotton down-proof ticking (DPT) – makes “whoosh” when you sit down. Eco Down Blend: Fill is 10% down and 90% duck feathers. Hypo-allergenic. Foam core is zippered inside a 100%-cotton duvet-style casing, which keeps feathers in place. Small feathers may occasionally come through. This is normal; it shows cushions are breathing properly. Duvet cover unzips and can be refluffed by hand or in dryer for 10 minutes on Air Dry.