Furniture grade plywood frame construction 18mm @ 11 ply & 18mm @ 14 plyHardwood Plywood, Mortise and tenon frames with glued joints and corner blocks, CARB certified, promotes stability, durability & longevityLeather features distinctive design and luxurious feel, upholstered in top grain leather w/matching vinyl on the sides & backSuperior individual pocketed coil springs in seat cushions, encased in foam padding, wrapped in DacronHigh resilience seat foam for superior durability and comfort.Medium seat density.