Insulated Vacuum Tumbler: Crafted from durable 18/8 food-grade stainless steel, this 20 oz insulated tumbler features double-walled vacuum insulation to keep beverages at the perfect temperature. It preserves cold drinks for up to 12 hours and hot drinks for up to 8 hours, making it ideal for iced coffee, tea, wine, juice, champagne, smoothies, sodas, milkshakes, and more.
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