For 500ml custom stainless steel vacuum flask, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 500ml custom stainless steel vacuum flask has been well received by many customers and enjoyed a good reputation in many countries. MEDO Water Bottle Supplier 500ml custom stainless steel vacuum flask have characteristic design & practical performance & competitive price, for more information on the 500ml custom stainless steel vacuum flask, please feel free to contact us.