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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 2 left in stock, order soon!
Arrives
Jul 29 – Jul 31
Recently Viewed
Color: Firefly Yellow
Size: 20 Ounces
Features
- The Rambler 20 oz. is made from durable stainless steel with double-wall vacuum insulation to protect your hot or cold beverage at all costs
- These Ramblers come standard with the YETI MagSlider Lid, the only drink lid that uses the power of magnets to keep your water, beer, or favorite drink on lock
- While the MagSlider Lid adds a barrier of protection for keeping drinks contained and preventing heat or cold from escaping, Please Note The MagSlider Lid is not leakproof and will not prevent spills
- YETI Ramblers are BPA-free, dishwasher safe, and have a No Sweat Design to make sure your hands stay dry. The tough Duracoat coating on the colored tumblers wont crack, peel or fade
- The YETI 20 oz Rambler Tumbler stands 6 7/8 in high and has a lip diameter of 3 1/2 in. All YETI 20 oz. Tumblers are sized to fit in standard sized cup holders
Brand: YETI
Material: Stainless Steel
Color: Firefly Yellow
Capacity: 20 Fluid Ounces
Special Feature: Vacuum Insulated
Brand Name: YETI
Recommended Uses For Product: Home, Outdoor, Travel
Included Components: Lid
Manufacturer: YETI
UPC: 888830400326
Set Name: YETI Rambler 20 oz Tumbler with MagSlider Lid
Manufacturer Part Number: 21071504713
Capacity: 20 Fluid Ounces
Unit Count: 1.0 Count
Item Weight: 13.44 ounces
Item Dimensions W x H: 3.5"W x 6.88"H
Number of Items: 1
Size: 20 Ounces
Color: Firefly Yellow
Product Style: Casual
Theme: Outdoors
Shape: Cylindrical
Pattern: Solid
Occasion: Any Occasion
Material Type: Stainless Steel
Product Care Instructions: Dishwasher Safe
Material Features: BPA-free, Durable, Insulated
Reusability: Reusable
Is the item dishwasher safe?: Yes
Other Special Features of the Product: Vacuum Insulated
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 29 – Jul 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Color: Low Country Peach
Size: 20 Ounces
Yeti is just top quality when it comes to keeping your drinks warm or cold. The color is beautiful and fits in the cup holder in my car. It’s so easy to use and clean and the best part is your hands will not get cold holding the cup! It’s also durable and will last for a long time so definitely worth the money!
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Reviewed in the United States on May 21, 2026 by Amazon Customer
Color: Black Forest Green
Size: 20 Ounces
This Yeti cup is excellent and lives up to the hype. It keeps drinks cold for hours on end and hot beverages stay warm far longer than expected. The build quality feels extremely solid, with a durable exterior that can handle drops, bumps, and everyday abuse without issue. The lid fits securely, helping prevent spills, and the design is easy to hold and use on the go. It’s perfect for travel, work, outdoor activities, or just daily use at home. Overall, it’s a high-quality, reliable cup that performs exactly as promised and is absolutely worth it.
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Reviewed in the United States on May 21, 2026 by Randy needham
Color: Firefly Yellow
Size: 20 Ounces
The YETI Rambler 20 oz tumbler absolutely lives up to the hype. From the moment you pick it up, you can tell it’s built to last—solid, durable, and designed with real everyday use in mind. The insulation is outstanding. Hot drinks stay hot for hours, and cold beverages stay ice-cold even in warm conditions. I’ve left ice in it for an entire day and still had some left the next morning—very impressive. The MagSlider lid is a great feature. It’s convenient, easy to use, and helps prevent splashes, especially when you’re on the go. While it’s not 100% leakproof, it does a great job for normal use like commuting or working at a desk. The size is perfect—fits comfortably in most cup holders and has a great capacity without feeling bulky. The finish also holds up well over time and resists scratches better than expected. Overall, this is one of those products where you truly get what you pay for.
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Reviewed in the United States on April 9, 2026 by Irene
Color: Black
Size: 20 Ounces
This is easily the best cup I own. I use it constantly, especially at the beach, pool, and lake, and it keeps drinks cold for an absurd amount of time. The insulation is the real selling point. I left it sitting on my counter with nothing but ice in it, and there was still ice in the cup the next afternoon. That’s not “kind of works” territory. That’s ridiculous in the best way. It’s also just a great size. Big enough that I’m not constantly refilling it, but still easy to carry around and use on the go. The MagSlider lid is convenient, the cup feels sturdy, and it has held up well so far. It’s not the cheapest tumbler, but after using it, I get the hype. This is one of those things I bought once and immediately understood why people swear by YETI.
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Reviewed in the United States on May 17, 2026 by Matt & Melissa
Color: Cosmic Lilac
Size: 20 Ounces
Very nice cup. Love the lavender color. Coffee stays hot. Price was right. Lid stays on.
Reviewed in the United States on June 4, 2026 by Cindy M.
Color: Solar Flare
Size: 20 Ounces
Absolutely love this cup! Perfect size, super vibrant color, keeps my drink cold for a long time.
Reviewed in the United States on June 15, 2026 Reviewed in the United States on June 15, 2026 by MereZdoates
Color: Desert Bloom
Size: 20 Ounces
Keeps my liquids cold, for over 8 hours. Love the color,
Reviewed in the United States on June 12, 2026 by R Stover
Color: Rescue Red
Size: 20 Ounces
The Build & Insulation As expected from YETI, the build quality is top-tier. The 18/8 stainless steel construction feels substantial in the hand and is puncture- and rust-resistant. The double-wall vacuum insulation performs exactly as advertised: Heat Retention: Keeps coffee piping hot for hours, even in freezing temperatures. Cold Retention: Holds ice remarkably well, making it perfect for long summer days. No Sweat Design: The exterior remains dry and easy to grip, regardless of the internal temperature. The MagSlider Lid is a standout feature. While it isn’t 100% leak-proof (don't toss it upside down in a backpack), the magnetic sliding mechanism is incredibly smooth and makes cleaning a breeze since the magnet pops right off. The "20 oz" Catch Here is the most important takeaway for daily use: this is functionally a 16 oz tumbler for transportation. While the vessel itself technically holds 20 ounces of liquid when filled to the absolute brim, that measurement does not account for the displacement of the lid. Because the MagSlider Lid sits deep within the rim to create a secure seal, you have to leave a significant amount of headspace to prevent overflow when closing it. If you are looking to fill this up at a coffee shop or at home and then put the lid on for a commute, you can only really store a 16 oz drink. Filling it beyond that point results in coffee splashing out the sides the moment the lid is pressed into place. The Verdict The YETI Rambler 20 oz is an over-engineered, aesthetically pleasing, and highly effective piece of hardware. However, if you specifically need to transport a full 20 ounces of liquid with the lid on, you may want to size up to the 30 oz model. If you’re comfortable with a true 16 oz capacity for mobile use, this remains the gold standard for tumblers. Pros: Indestructible build quality. Superior thermal insulation. Dishwasher safe and easy-to-clean lid. Cons: Functional capacity is only 16 oz when using the lid.
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Reviewed in the United States on February 21, 2026 by Reviewer