vacuum cup 1)it is made of stainless steel 2)our quality is very good 3)best price 4)delivery time short vacuum cupBrand name:Zhi datype:flaskPlace of origin:Yongkan zhejiang china(Mainland)Capacity:500mlMaterial: stainless steelstainless steel vacuum flaskstainless steel vacuum flask with double layerDifferent designs. Different capacityPacking:PP bag+white box + export cartonPacking size:48pcs/ ...