Produced, engineered and constructed of kiln dried hardwood lumber and furniture grade plywood. Back cushions are filled with a feather blend mixture of 50% polyester fiber and 50% feathers channel- sewn into several compartments to assure the back pillow stays durable for years to come. Eight-way hand tied heavy gauge steel springs are individually anchored and hand tied to all adjacent springs and to the frame in eight directions. Seat cushions are made with multiple layers of foam with varying compressions that are bagged with a 50% feather and 50% fiber blend topper on each side for the ultimate in seating comfort. Cover Content 100% Polyester.