... ,Cr 18-20,Ni 8.0-10.5 3. Advantages of stainless steel vacuum flaska: Molding, soldering, Polishing, Packaging with ... Professional Technology.b: High quality stainless steel materialc: The sports bottle has passed the SGS test, Having FDA and LFGB certificationd ... : there is no coating inside of the bottle, it is totally Eco-friendly and recyclede: Multiple sampling ...