Women of Science Stainless Steel Vacuum Flask

6 reviews
$ 39.95 USD

Here's a travel flask dedicated to some amazing ladies who helped change the course of scientific history. Let them inspire your next breakthrough while you enjoy your hot coffee, ice water, or cold brew at your own pace. Hats off to the Great Women of Science – past, present, and future.

With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.
Volume 18 oz / 500 mL
Width 2.75"
Height 8.75"
Opening Wide mouth
Material High-grade stainless steel
Cap Material High-grade stainless steel, silicone ring
Care Hand wash (do not wash in dishwasher)

 

Fill it with your favorite mulled hot cider or cold brew, and even if you don't get around to drinking it for hours, you can expect to find your beverage ready and waiting for you at just the right temperature. The metal cap seals tightly, so it won't leak all over your bag. 

Here's how it works: the space between the inner and outer flask wall is evacuated, creating a vacuum (well, a partial vacuum anyway...). In order for heat transfer to take place from the outside world into your cold drink, or from your hot drink to the outside world, it needs nearby molecules to excite. If there aren't many molecules nearby, as is the case in a vacuum, the heat's energy can't easily be passed along, so your drink stays close to the temperature it was when you put it into the flask for a really long time. 

Simply stated, vacuums make great thermal insulation!

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Flat Rate $9.95
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Shipping is available to most countries. See details at checkout.

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Customer Reviews
5.0 Based on 6 Reviews
5 ★
100% 
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Filter Reviews:
AS
04/22/2022
April S.

Science Thermos for the WIN

This is such a high-quality item! I love it so much and it is a great conversation starter!

D
02/10/2022
Daniel

Women of Science Stainless Steel Vacuum Flask

A great product for everyone

DS
01/05/2022
Doris S.
United States United States

Outstanding

The vacuum flask was a score! My daughter has been looking up information on women displayed on the flask that she was unaware of and learning about their accomplishments!

LD
12/15/2021
Lisa D.
United States United States

Super cute

Nice product- as described

KK
10/02/2021
Kyleigh K.

RR
09/02/2021
Rhiannon R.

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