500ml double-wall bullet stainless steel vacuum flask with black PU leather(350ml,750ml,1000ml available) 500ml double-wall bullet stainless steel vacuum flask with black PU leather(350ml,750ml,1000ml available)Package: color box/pcs,40pcs/ctn(63*40*28.5cm)G.W/N.W: 16/14kgs 500ml double-wall bullet stainless steel vacuum flask with black PU leather(350ml,750ml,1000ml available)