Vacuum Insulation and Temperature Retention:
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Double-Wall Vacuum Insulation: The bottle is built with Thermo 3D Double-wall vacuum insulation technology. This creates a thermal barrier that is highly effective at maintaining beverage temperature.
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Functionality: It keeps drinks refreshingly cold for many hours and keeps liquids piping hot (or warm) for an extended period, making it suitable for year-round use at school, sports, or travel.
2. Material and Safety:
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Inner Material: The inner lining is often made from premium 316 Stainless Steel. This is a high-grade, food-safe material that surpasses standard 304 stainless steel in corrosion resistance and is preferred for contact with food and beverages.
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Outer Material: The body is made from durable 18/8 Stainless Steel.
