Why choose food grade 304 to produce stainless steel hip flask?

304 stainless steel is a nationally recognized food-grade stainless steel. 304 stainless steel is the most widely used chromium-nickel stainless steel, which has good corrosion resistance, heat resistance, low temperature strength and mechanical properties. It is resistant to corrosion in the atmosphere. If it is an industrial atmosphere or heavily polluted area, it needs to be cleaned in time to avoid corrosion. It is suitable for food processing, storage and transportation.