Lose the stem. Keep the cool. Simple. Stylish. Shatterproof. Crafted from the same high-quality stainless steel as Canteen andTumbler, Stemless helps keep your beverage of choice cool from the first sip to the last. Perfect for wine, cocktails, tea, sangria and more.Keeps 12 ounces of your favorite beverage cold for 9+ hours or hot for 3.