What is 18/8 stainless steel in a stainless steel bottle for water?

18/8 stainless steel is the gold standard for a stainless steel bottle for water:

• Composition: 18% chromium, 8% nickel, balance iron
• Also Called: 304-grade stainless steel
• Properties: Highly corrosion-resistant, non-reactive, durable
• Food Safety: FDA approved for food contact
• Used In: Professional kitchens, medical equipment, premium drinkware

Our stainless steel bottle for water uses only certified 18/8 grade steel—never inferior grades that may contain harmful elements or rust easily.