Frame Kiln dried hardwood. Once assembled, frames are wrapped in 2lb foam exceeding industry standards. Made with responsibly-sourced wood. Cushions 100% blown fiber that is a synthetic, hypoallergenic material designed to mimic the feel and look of feather/down for plush and luxurious seating. Constructed in a one fabric sided, non-reversible fashion and contains no flame retardants or harmful chemicals. Legs Concealed peg Suspension Seat-sinuous spring back with poly webbing. Back-Poly webbing. Joints Glued, stapled and screwed to ensure frame stability and longevity.