YETI Rambler 20oz Tumbler
Top PickWhat We Like
- Keeps coffee hot and iced drinks cold for hours without exterior sweating
- Withstands drops, dings, and dishwasher cycles without losing finish or insulation
- Available in dozens of colors with a tactile, no-sweat DuraCoat finish
Worth Noting
- MagSlider lid leaks when tipped or shaken
- Capacity & Size
- 20 oz
- Handle & Cupholder
- No handle, fits cup holders
- Lid Seal & Leak-Proof
- MagSlider, not leak-proof
- Dishwasher & Microwave
- Dishwasher safe
Read the full review
Unlike YETI’s stackable Rambler, this 20oz tumbler skips nesting in favor of rugged all-day insulation. Coffee stays hot for hours on a desk, iced drinks don't sweat, and the powder-coated finish handles drops without flinching. The MagSlider lid is not leak-proof — it’s a sipping lid, and it can spill if tipped or tossed in a bag. This suits home or office users and YETI loyalists who prioritize temperature control and color choice over a sealed travel mug. Commuters needing a true leak-proof vessel will want a different design.
Tip: Hand-tighten the MagSlider when not drinking to limit dribbles, but it never creates a leak-proof seal.
Bottom line: If your drink stays on a desk or in a cupholder and you want industrial-grade insulation and color variety, this YETI is a rewarding premium pick; just understand the lid sacrifices spill-proofing for easy magnetic closure.