Rambler 20 oz Stainless Steel Tumbler w MagSlider Lid - Insulated

In this review the Rambler 20 oz stainless steel tumbler is presented as a reliable everyday drinkware choice for commuters, outdoor users, and anyone who wants a durable insulated cup. The single biggest reason to buy is its combination of sturdy stainless steel construction and double-wall vacuum insulation that genuinely preserves temperature for hot or cold drinks. The reviewer found it especially useful for hot coffee on the go and appreciated that it fits standard cup holders, making it a low-fuss upgrade over disposable cups or thin travel mugs.

Key Features

• Double-wall vacuum insulation: Keeps hot drinks hot and cold drinks cold for extended periods without transferring temperature to your hands.
• Stainless steel construction: Durable body resists dents and provides a solid feel that stands up to daily use and outdoor activities.
• MagSlider Lid: Uses a magnet to provide a sliding closure that helps keep drinks contained and reduce heat or cold loss during transit.
• No Sweat Design: Exterior stays dry so it is comfortable to hold and will not leave rings on surfaces.
• Dishwasher safe: Easy to clean in a dishwasher, which makes maintenance straightforward for regular use.
• Duracoat finish: Colored tumblers keep their appearance since the coating is made not to crack, peel, or fade.

Who It's For

The Rambler 20 oz suits people who commute, camp, or sit at a desk and want a robust cup that fits most vehicle cup holders and retains temperature. It is ideal for coffee drinkers who bring beverages on the move and for those who prefer metal drinkware for longevity.

Those who need a fully leakproof bottle for backpacks or unstable situations should look elsewhere, since the MagSlider lid provides spill resistance but is not leakproof. If you prioritize a flip-lock or fully sealed travel mug, a different lid design would be a better match.

Pros & Cons

Pros

• Excellent temperature retention from the double-wall vacuum insulation.
• Very durable stainless steel body paired with a No Sweat Design keeps hands dry and resists damage.
• MagSlider lid adds convenient magnetic closure and feels secure for routine use.
• Dishwasher safe and the Duracoat finish holds up without peeling or fading.

Cons

• The MagSlider Lid is not leakproof and will not prevent spills if tipped over.
• A small number of users report missing components or mixed feedback on the magnetic slide closure's long-term performance.

Specifications

Brand	YETI
Capacity	20 oz
Material	Stainless steel
Height	6 7/8 in
Lip diameter	3 1/2 in
Lid type	MagSlider magnetic slide lid (not leakproof)
Finish	Duracoat coating on colored tumblers

Our Verdict

The Rambler 20 oz is a practical, well-built tumbler for anyone who wants reliable temperature retention and a tough stainless steel cup that fits cup holders. It is good value for users who value durability, dishwasher-safe convenience, and a magnet-assisted lid, while those needing a fully leakproof travel mug should consider other lids.

Frequently Asked Questions

Is the MagSlider lid leakproof?
The MagSlider lid provides a magnetic sliding closure that reduces spills but is not leakproof and will not prevent leaks if tipped over.

Can I put this tumbler in the dishwasher?
Yes, YETI Ramblers are dishwasher safe for easy cleaning.

Will this fit in a car cup holder?
Yes, the 20 oz Rambler is sized to fit standard cup holders and stands 6 7/8 in high.