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.Superior individual pocketed coil springs in seat cushion, encased in foam padding, wrapped in DacronHigh resilience seat foam for superior durability and comfort.Medium seat density.