... ) packing: each in white box or gift box new bonechina vacuum cupPacking: 1pc/color box, 12pcs/ctnMaterial: 18/8 stainless steel ... 0.15max,Mn 5.5-7.5,Cr 16-18,Ni 3.5-5, N 0.25max 18/8 stainless steel ... ,Mn 2.0max,Cr 18-20,Ni 8.0-10.5 3. Advantages of stainless steel vacuum flaska: Molding, soldering, Polishing, Packaging ... wall, could keep hot and cold for 24hours new bonechina vacuum cup