WhyToBuyThis
YETI Rambler 20 oz Tumbler with MagSlider Lid (Royal Blue)
For Him / Her / Kids

YETI Rambler 20 oz Tumblerhot coffee through the whole shift

YETI Rambler 20 oz Tumbler with MagSlider Lid (Royal Blue)

Reviewed by the WhyToBuyThis team · Updated September 2026 · How we choose

Perfect for

  • Long shifts
  • Station coffee
  • Cup-holder friendly
  • Everyday carry
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Price: $31.98

Price may change on Amazon. As an Amazon Associate we earn from qualifying purchases. This won't cost you anything extra.

  • Great gift ideaChosen for real-world gifting
  • Hand-pickedCurated, not scraped
  • Honest reviewThe catch, not just the hype

Why this gift works

The YETI Rambler 20 oz tumbler is double-wall vacuum-insulated 18/8 stainless steel with YETI's MagSlider lid, which slides open and shut with a magnet. It is dishwasher safe, fits most cup holders, and YETI gives it a 5-year warranty. This listing is the Royal Blue color.

Firefighters drink a lot of coffee on long shifts, often interrupted by calls. A tumbler that keeps it hot, takes a beating on the apparatus floor and goes straight in the dishwasher is a gift that gets used every single day.

Who is this gift for?

Great for

  • A firefighter whose coffee always goes cold between calls
  • Someone who drives to the station before dawn

Think twice if

  • They need a fully sealed bottle

The catch

The lid is leak-resistant, not leakproof, so it will spill if it tips over, and it is not microwave safe.

Skip if they need a sealed bottle that can be thrown in a bag.

Key specs

YETI Rambler 20 oz Tumbler with MagSlider Lid (Royal Blue) specifications
BrandYETI
ModelRambler 20 oz Tumbler, MagSlider lid
Material18/8 stainless steel, double-wall vacuum
Size3.5 in wide x 6.6 in tall, 0.9 lb
LidMagSlider, magnetic, BPA-free
DishwasherTumbler and lid dishwasher safe
ColorRoyal Blue (this listing)
Warranty5 years

Worth knowing before you buy

  • Do not use it for liquids hotter than 185 F, per YETI.
  • This listing is Royal Blue.

Why we like it

  • Double-wall vacuum insulation
  • Magnetic lid that is easy to clean
  • Dishwasher safe
  • A 5-year warranty

What to look for in an insulated tumbler

  • Vacuum insulation. Double-wall vacuum keeps drinks hot or cold for hours.
  • Lid. Sliding lids are easy to sip from but are not fully leakproof.
  • Cup holder fit. Check the base fits their truck or car.

Questions people ask

Yes - YETI says the tumbler and lid are dishwasher safe.

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As an Amazon Associate we earn from qualifying purchases. This won't cost you anything extra.