Super-insulated to keep your drinks hot for 40 hours, cold 35 hours or iced for a whopping 160 hours, the Master Vacuum Bottle from Stanley holds a healthy 1.4 liters of your favorite beverage in its 18/8 stainless steel interior—the strongest thermos you’ll find by far. It is rust-proof & naturally BPA-free and features a steel-lined pour through stopper so no plastic contacts its contents. Lifetime warranty.
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