... upholstery.Classic box stitched squares Sofa chair/leather sofa chair/modern sofa chair/coffee chair/hotel chair: ... Sofa chair,leather sofa chair,sofa set,modern leather sofa chair, chesterfield sofa, leather sofa,fabric sofa,sofa bed,corner sofa,sectional sofa,functional sofa,living room sofa,leisure sofa,modern sofa ... make double layer wood frame,to prevent the sofa from being out of shape.4) Metal ...