... all kinds of sofa, leather sofa, fabric sofa, lounge sofa, ottoman, italian style sofa, sofa bed, corner sofa, office sofa, recliner sofa, modern sofa, classical sofa, reclining chair, ... dried solid wood internal frame and plywood;6) Metal coil springs and fabric rubber;7) Rust and moisture proofing treatment ... high quality spring box.(4) This kind of sofa can make with leather,PU,fabric. Packing:soft ...