26oz Insulated Tumbler with Handle & Straw — Yellow

26oz Insulated Tumbler with Handle & Straw

Yellow
$25.97
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26oz Insulated Tumbler with Handle & Straw — Yellow
  • 26oz Insulated Tumbler with Handle & Straw — Yellow
  • 26oz Insulated Tumbler with Handle & Straw
  • 26oz Insulated Tumbler with Handle & Straw in use
  • 26oz Insulated Tumbler with Handle & Straw in use
  • 26oz Insulated Tumbler with Handle & Straw in use
  • 26oz Insulated Tumbler with Handle & Straw in use
  • 26oz Insulated Tumbler with Handle & Straw in use
  • 26oz Insulated Tumbler with Handle & Straw in use
26oz Insulated Tumbler with Handle & Straw

RR-1892-07 · G-06 Mugs Tumblers

26oz Insulated Tumbler with Handle & Straw

$25.97

Keeps drinks cold for 12 hours with double-wall insulation.

Delivery in 4–10 business days Ships from our US warehouse · processing 1–3 business days + 3–7 business days in transit.

Shipping $7.99 · free on orders $25+· Shipping policy · 30-day returns · Refund policy

Choose your deal

Color

Stay refreshingly cold all day long with our 26oz Insulated Tumbler. Designed with double-wall vacuum insulation, it keeps your drinks cold for up to 12 hours. The comfortable handle and reusable straw make it ideal for home, office, or travel. Available in stylish colors, it's a great companion for your daily hydration needs.

At Roast Row, we bring you practical and stylish coffee gear for every occasion.
WHAT YOU GET

Keeps drinks cold for hours

What you get
Cold for 12 Hours✓
Easy to Carry✓
Convenient Sipping✓
Versatile Use✓

Great for travel and daily use.

🎁 BUYING IT AS A GIFT?

Order by Dec 8 for Christmas

US delivery takes about 4–7 business days. The exact estimate shows next to the button.

SHOP WORRY-FREE

30-day returns

Not for you? Return it unused, in its original packaging, within 30 days. Arrived damaged or wrong? Tell us within 7 days with a photo and we replace it or refund you at no cost. Refund policy

Object record

The facts, plainly

Register no.
RR-1892-07
Object
26oz Insulated Tumbler with Handle & Straw
Material
Stainless Steel
Capacity
26 oz
Lineage
James Dewar, 1892
Maker
COLD-KEEPING CUP
Ships from
Ships from our US warehouse · Delivery in 3–7 business days after shipping (1–3 business days processing)
The true story

The story behind the vacuum flask

Your insulated tumbler started out as lab equipment. In 1892 the Scottish scientist James Dewar built a flask from two glass vessels, one inside the other, with a vacuum between them. He needed it to keep liquefied gases extremely cold. The vacuum slows heat moving in or out, which is why the same design keeps coffee hot.

Dewar never patented it. In 1904, two German glassblowers, Reinhold Burger and Albert Aschenbrenner, saw it could keep drinks warm as well as cold. They gave it the name Thermos and patented it. Dewar's original flask is still on display at the Royal Institution.

The name caught on so widely that in 1963 a U.S. federal appeals court ruled "thermos" had become a generic word. That's why people say "thermos" no matter who made the bottle.

Sources (6)
  1. James Dewar's vacuum flask, The Royal Institution
  2. Scientist of the Day - James Dewar, Linda Hall Library
  3. Design Moment: Thermos vacuum flask, 1892, The Irish Times
  4. King-Seeley Thermos Co. v. Aladdin Industries, Inc., 321 F.2d 577 (2d Cir. 1963), vLex (court opinion text)
  5. King-Seeley Thermos Co. v. Aladdin Industries, Inc. (1963) case brief, Quimbee
  6. Genericide: The Transformation of Thermos, Jones IP Law
How to use it · 3 steps
  1. Fill with Beverage. Pour your favorite cold drink into the tumbler.
  2. Secure the Lid. Place the lid on tightly to prevent spills.
  3. Sip with Straw. Use the reusable straw for easy drinking.
Questions
How long does it keep drinks cold?

It keeps drinks cold for up to 12 hours with double-wall vacuum insulation.

Is the tumbler easy to carry?

Yes, it has a built-in handle for a comfortable grip.

Can I use it for hot drinks?

It's designed for cold beverages, but can hold hot drinks if needed.

Is the straw reusable?

Yes, the tumbler includes a reusable straw for convenient sipping.

What are the dimensions?

The tumbler measures 24 cm tall, 13.5 cm wide, and 10 cm deep.

How do I clean it?

Hand wash recommended to maintain insulation quality.

Where does it ship from?

Ships from the US, with delivery in 3–7 business days after 1–3 business days of processing (US).

What if it arrives damaged?

Contact us within 7 days with a photo for a replacement or refund.

Does it fit in a standard cup holder?

Check dimensions: 13.5 cm wide, may not fit all cup holders.

Why it earns a place
  • Cold for 12 HoursDouble-wall vacuum insulation keeps drinks cold for extended periods.
  • Easy to CarryBuilt-in handle provides a comfortable grip for transport.
  • Convenient SippingIncludes a reusable straw for smooth drinking.
  • Versatile UseSuitable for water, iced coffee, juice, and smoothies.
In the box
  • Insulated Tumbler
  • Reusable Straw
  • Lid

30-day returns on unused items · Delivery dates from the warehouse that ships your order · Questions? Use the chat or email us.

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