Aladdin
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Alpha Chef
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Asobu
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Isosteel
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Reduce
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Stanley
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Starbucks
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Thermos 16 Ounce
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Thermos 61 Ounce
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Zojirushi
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Thermoses Review

Why Buy a Thermos?

Thermoses allow you to carry liquids easily and keep them at the appropriate temperature. Whether you choose a traditional thermos, a travel tumbler or a travel mug, these items help you save money, negating the need to purchase costly beverages while away from home. Models such as the Thermos 61 Ounce Stainless Steel Bottle with Folding Handle, the Starbucks Stainless Steel Tumbler and the Zojirushi Stainless Steel Food Jar use vacuum insulation to maintain an internal temperature.

Using a thermos helps you avoid food and beverage sensitivities and is a good option for ensuring you stay adequately hydrated. Some large capacity models are a good choice for all-day hydration, hiking or picnics with family or friends. Smaller models, like single-serve travel mugs, are suited to keeping you hydrated while working out or taking on the daily commute.

Thermoses: What to Look For

There are several factors to take into account when choosing a thermos, all of which depend on how you wish to use it. Construction, capacity and additional features are some of the key choices to consider to find the thermos that best suits your needs.

Construction & Insulation
Construction and insulation impact temperature retention and durability. While plastic or pressed tin models are available, most modern thermoses have a double-walled stainless steel construction. This provides strength, scratch resistance, shatter-proofing and corrosion-resistance. Stainless steel is also able to withstand the pressure of vacuum insulation. This type of insulation maintains temperature with a vacuum, or airless space, between the two walls of the thermos. This prevents heat or cold leaching into or out of the interior. Therefore, a flask with good quality vacuum insulation holds heat for longer than one with foam insulation.

Capacity
The capacity of a thermos dictates how many people can stay hydrated and for how long. With capacities ranging from four ounces to one gallon, you should choose the size of your flask based on its most likely use. If, for example, you need a thermos for hiking, family picnics or other all day or overnight activities, you require one with a substantial capacity. For hydration during a workout or a hot drink on the daily commute, a single-serve travel mug or travel tumbler of between four and 16 ounces is a better option.

Features
There's a huge choice of potential features to choose from that impact both purpose and ease of use. If you're looking for a thermos that's easy to carry while you run or work out, consider one that comes with a carry strap, clips to your belt or has a contoured body for a comfortable grip. For drinks while driving, opt for a slimline travel mug that fits into a vehicle cup holder. When you require a large-capacity flask, look for one with a carry handle, strap or case. For storing in a backpack or lunchbox or to carry over rough terrain, the flask needs to be airtight so it doesn't leak.

Thermoses provide you with a means to keep your food and drink at a suitable temperature while you're away from home. Use the factors listed above to help you make an informed purchasing decision.