300ML vacuum flask, thermos . inner 304# stainless steel, outer 201# stainless steel. with PU leather . confortable to carry . Item Nr: XG-300capacity: 300MLQTY: 24pcs/ctn300ML vacuum flask, thermos . inner 304# stainless steel, outer 201# stainless steel. with PU leather . 20"FCL: 22320pcs40"GP: 46320PCS40"HQ: 54240pcs 300ML vacuum flask/thermos/mug/bachelor cup