Design original from Italy design Fabric:belgium imported top grade velvet fabric Foam:high denstiy foam(45%-65%) Frame:the wood are all polised and steamed dried,water content is 12%-15% that reach the frame:druggery steamed dried wood &packing spring 源于意大利设计；面料采用高级植绒面料；海绵是45%-65%高密度高回弹海绵，内架实木是经过全抛光，蒸汽烘干，药物熏蒸，木方含水率达到国际含水率标准