Chenille 100% polyester. This woven fabric is soft to the touch yet durable enough for extensive, everyday use. Cleaning code W-S; spot clean with water- or solvent-based cleaners. Hardwood and engineered wood Mortise-and-tenon frame joinery is reinforced with corner blocks, heavy-duty metal fasteners and glue to ensure strength and stability. 8-gauge sinuous spring system Heavy-duty, S-shaped wires stretched across the frame from front to back provide the entire seating area with uniform comfort and support and prevent sagging. 1.8-lb. density, Dacron®-wrapped foam Highly resilient foam offers lasting comfort and shape retention, while Dacron® wrap adds to the comfort and keeps cushions from shifting so they always look great.