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.

Rambler 20 oz Tumbler, Stainless Steel, Vacuum Insulated with MagSlider Lid, Stainless

Product ID: 255401501

Details

Brand
YETI
Capacity
20 Fluid
Colour
All Stainless
Material
Stainless
Special features
Insulated

🧲Magnetic MagSlider Lid

❄️Double-wall Vacuum Insulation

🛡️18/8 Stainless Steel Durability

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₩162639

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧊 Sip in Style, Lock in Freshness — The Ultimate Tumbler for the Modern Hustler

BUILT TO ENDURE - Crafted from kitchen-grade 18/8 stainless steel, this tumbler resists rust, punctures, and everyday wear with a rugged, no-sweat design.
MAGNETIC LOCKDOWN - YETI’s MagSlider lid uses powerful magnets to keep your drink secure and spill-resistant, perfect for on-the-go professionals.
PERFECTLY PORTABLE - Sized to fit standard cup holders and weigh just 181g, it’s the ideal companion for your commute, office desk, or weekend adventures.
TEMPERATURE MASTERY - Double-wall vacuum insulation locks in your beverage’s temperature for hours—hot coffee or ice-cold refreshment, all day long.
VIBRANT GRIP READY - Dracut color coating adds extra grip and resists fading or peeling, so your tumbler stays as fresh and stylish as your lifestyle.

The YETI Rambler 20 oz Tumbler is a premium stainless steel insulated cup featuring a magnetic MagSlider lid, double-wall vacuum insulation for long-lasting temperature retention, and a durable, no-sweat design. Engineered for durability and portability, it fits standard cup holders and is dishwasher safe, making it the go-to tumbler for professionals who demand performance and style on the move.

Specifications

ASIN	B073WK182F
Best Sellers Rank	#14,788 in Kitchen ( See Top 100 in Kitchen ) #101 in Insulated Cups & Mugs
Brand	YETI
Capacity	20 Fluid Ounces
Color	All Stainless Steel
Customer Reviews	4.8 4.8 out of 5 stars (134,796)
Date First Available	1 August 2017
Diameter	3.5 Inches
Item Weight	181 g
Material	Stainless Steel
Model Number	f6766
Special Features	Insulated

Reviews

K**D

Love it! Great quality

It’s a very good quality tumbler which I am sure it will last long! I got in pink and it’s cute for my summer!

16.03.2022

S**.

Adhesive Quality: Your instruction says" Just peel & stick over the drain". None of your photo shows peeled white sticker !! Only one side is provided with this glued white paper. If you remove that also, only wire mesh will not stick to SS Surface of drain cover !! I feel that there is no mesh strength which can hold bath water flow. If you provide this item without verifying your claim, you will be in trouble. Improve the product and then hold credit.

23.02.2026

K**D

Every new parent needs one of these. Whenever I inevitably put my coffee down somewhere and rediscover it 20 minutes later, it's still hot! Definitely recommend! Also the magnetic top is pure genius. So easy to clean and dishwasher safe!

5.12.2021

J**E

YETI!!! What more can I say?? Bought this one for work as I’m a trucker. This will keep your drinks hot or cold for most of the day! Well made and great durability, love the super tough lid and it just feels good quality as well! A must have for any traveller

2.06.2025

K**E

Great travel mug. Excellent item which really does keep your drink hot for a long time. Loved the colour. Unfortunately it does not fit in a standard car drinks holder.

11.04.2022

F**E

I have this size Yeti and many others in a variety of colors. The quality is excellent and these cups can handle a beating. No other cup brand will dominate my cupboard like a good Yeti does. As a woman in agriculture, I especially appreciate being able to take a hot coffee and a cold drink with me for a full day in the combine and not have to worry about them going room temperature.

13.02.2026

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