what i want to know is does it truley hold 20 ounces? The ozark trail claims 20 ounces but only holds 16(18 ounces if filled to rim)

Here's the deal - it may not hold 20 oz, but it keeps your coffee hotter longer than any of the others so you can enjoy it! The 30 oz is too Heavy. The Shorter 14 oz doesn't keep your coffee hot. So, the 20 oz is the best of both worlds! Hot coffee & 16 oz that isn't a strain to carry~! Fill it again when you're done!!

Can you shake a drink with a closed lid, without spilling

I received the 20 oz tumbler with magslider lid for Christmas. It is NOT leak proof. If it turns over or is tilted in your purse or bag, it will and does leak! I just called YETI (01/02/2018) in Austin, Texas and asked about this and they confirmed it is not leak proof. If you need something leak proof, they said to get a YETI with the scree on lid! The magslider is not a good product if you need something that does not leak.

Is there any way to check authenticity, prior to ordering these?

You can view only the ones "Sold by Yeti Authorized" here: https://www.amazon.com/shops/A3VZHMRV3J141P?ref_=v_sp_storefront When the Amazon listing says "Sold by" anyone else, it's usually with a big price markup to get orders for something that is otherwise out of stock or discontinued but they could also be fakes.

Which country was it made?

Both of mine were made in China.

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Description

🥤 Elevate your hydration game with YETI’s spill-proof, temperature-locking tumbler!

MAGNETIC MAGIC - Innovative MagSlider lid prevents spills and adds a sleek, modern touch
PERFECTLY PORTABLE - Compact 20 oz size fits comfortably in your hand and most cup holders
EFFORTLESS CLEAN UP - Dishwasher safe for a no-fuss, hygienic experience
BUILT TO BRAVE ANY ADVENTURE - Shatterproof, rust-resistant stainless steel designed for the rugged professional on the go
SIP IN STYLE STAY REFRESHED - Keeps your drinks icy cold or piping hot until the very last drop

The YETI Rambler 20 oz tumbler features durable 18/8 stainless steel construction with double-wall vacuum insulation to keep beverages hot or cold for hours. Its shatterproof design and rust resistance make it ideal for active lifestyles, while the MagSlider magnetic lid ensures spill-free sipping. Dishwasher safe and perfectly sized for everyday use, this tumbler is a must-have for professionals who demand performance and style.

Reviews

あ**ん

待ってた！

やーっと届きました！待ってたし、待ったかいがあった！まだ使ってないけどきっと期待通りであると信じてる！底がちゃんと平坦でちょっとのぐらつきもないことがこんなに安心できるなんて･･･。大事に長く使おうと思います♪

29.06.2025

ヒ**ケ

容量、ホールド感が期待通り

期待通りでした。追加情報飲み口のクリップ？は完全密閉ではないのでクリップを閉めていても飲み口から溢れる事がありますのでお気をつけて下さい。

10.03.2025

A**ー

重宝しています。

保冷性もあり、一夏ヘビロテしました。

1.02.2024

く**ん

密閉性◎

デザイン◯密閉性◎リュックやカバンの中に入れても問題無しです

30.08.2023

ち**ゆ

買ってよかった

口は大きいから洗いやすいし、蓋も上蓋はマグネットで別途付け替えでカラフルにもできてすごく使い勝手がいいです！

5.09.2022

平**野

氷が解けにくくて良かった！

10.03.2022

と**き

大きさ

大変満足してます

28.01.2021

し**ん

保冷保温は確かです。

この保冷最高ですよ。流石です。価格は高いですが、それに似合う品質です。

2.08.2025

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

Model Number	YETI Rambler 20 oz Stainless Steel Vacuu
Color	blue
Size	1 Count (Pack of 1)
Usage	Cold Drinks
Sport Type	Camping & Hiking
Batteries Included	No
Diameter	3.5 Inches
Temperature Rating	Environment: room temperature
Item Volume	567 Milliliters

YETI(イエティ) Rambler 20オンスタンブラーステンレススチール真空断熱 MagSlider蓋付き