... *330*510mm 2.black PU surface+aluminum frame+white PU; 3.travel style,professional travel trolley jewelry storage case, professional jewelry case ... : silver aluminum sheet,black PU surface,white PU lining, aluminum frame,trolley wheels,code lock,strong handle.3) Interior: white PU lining ... .75kg/pcConveyance:Qty/20''FCL:400pcsQty/40''FCL: 850pcs. aluminum trolley jewelry box