Due to their vacuum-insulated stainless steel interiors, the best insulated tumblers can preserve the temperature of your beverage for hours on end, hot or cold. There's no shortage of options out there, either — but how do you know you're buying the best one for you? There are two primary questions you'll want to ask yourself: How big of a tumbler do you want, and what do you plan on using it for?
Insulated tumblers or to-go mugs come in a wide range of sizes, and all of them are measured in fluid ounces. Some are offered as small as 8 ounces, while others come as big as 40-plus — but most of the best-selling options fall somewhere around 16 to 20 ounces. To find the right size for you, factor in how much coffee, water, or other drink you'd like on hand. (For reference, a Tall Starbucks coffee is 12 fluid ounces, and it's recommended that you drink about 74 to 101 fluid ounces of water per day.) Keep in mind, however, that the bigger the tumbler, the heavier it'll be.
Of course, you can put whatever liquid you want in there, but the overall design and included accessories might make your tumbler better-suited for one beverage over another. For example, a tumbler with a straw works well for water or iced drinks, while a tumbler with a slider is great for sipping hot beverages. For the accident-prone and commuters, consider leakproof lids. Some brands even come with multiple lids so you have more options.
All of these top-rated tumblers are vacuum insulated and made with stainless steel to keep your beverage at the optimal temperature for hours. That said, they come in various sizes, designs, and lid options to best suit your needs.
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