all PU recliner sofa,high density foam,hardwood frame,high elasticity spring,high quality siamese frame,firm ... rubber with rust and moisture proofing treatment.high density elasticity foam ,1cm,3cm,4cm,6cm ,10cm sponge are used ,noted for ... long durabilityspray-boned cotton between pu and foam,no sagging.USA CA 117 fire-retardant foam available2 years warranty against the manufacture ...