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Mainstays

(3 pack) Mainstays Warming Coffee Mug, 12 oz Stainless Steel Coffee Mug with Mug Warmer Coaster and Lid

4.5 stars out of 2714 reviews
(4.5)|
2,714 ratings
(3 pack) Mainstays Warming Coffee Mug, 12 oz Stainless Steel Coffee Mug with Mug Warmer Coaster and Lid3 pack Mainstays Warming Coffee Mug 12oz Stainless Steel Coffee Mug with Mug Warmer Coaster and LidMainstays Warming Coffee Mug 12oz Stainless Steel Coffee Mug with Mug Warmer Coaster and Lid
Multipack Quantity:3

Key item features

  • Adjustable Warmth: Offers three temperature settings: 135, 140, or 145 F, allowing for personalized beverage warmth.
  • Extended Heating: Features a built-in rechargeable battery for up to 2 hours of warmth, or continuous heating with the charging coaster.
  • Safety Features: Includes an auto-shutoff after 3 hours on the coaster or when the mug is empty, enhancing user safety.
  • Convenient Design: Comes with an anti-spill lid to prevent accidents and is suitable for various hot beverages like coffee and tea.
  • Durable Construction: Made from stainless steel, the 12 oz mug is designed for handwashing and includes a charging coaster, lid, and power adapter.
  • Technical Specifications: Operates with an input of 12V/1.5A, 18W power, and a 7.4V/2000mAh battery capacity.
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Current price is $83.64$27.88/ea
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  • Free 90-day returns

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Columbus, 43215
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This item includes:

  • 3-pack of Mainstays Warming Coffee Mug, 12 oz Stainless Steel Coffee Mug with Mug Warmer Coaster and Lid
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About this item

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Customer ratings & reviews

4.5 out of 5 stars
stars2,714 ratings2,221 reviews
How item rating is calculated
  1. 5 stars80% (2,172)
  2. 4 stars6% (169)
  3. 3 stars3% (94)
  4. 2 stars3% (74)
  5. 1 star8% (205)

Reviews summary

Pros
  • : Mug has a contemporary look.
  • : Mug's color is visually appealing.
  • : Maintains temperature for an extended period.
  • : Made with premium finishes and long-lasting components.
Neutral
  • : Can last all day, but may drain quickly or be inconsistent.
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Showing 1-3 of 2,221 reviews

Jul 1, 2024
Tammy
Top Reviewer
Walmart Associate
3 out of 5 stars review

Verified Purchase

Wish it were ceramic

The cup itself kept my coffee hot, I was just disappointed it was plastic. It also doesn't really hold enough for me. If the plastic doesn't bother you, its a great cup for the price. I'll just wait for a ceramic or stone cup.

Helpful?6JRPDRFUZTLU15298822556
Jul 4, 2025
Birdofparadise
Top Reviewer
Item details
Multipack quantity: 1
3 out of 5 stars review

Verified Purchase

I like that it did warm up quickly and it did keep my beverage at comfortable temperature for a long time. I didn't like the fact that the inside bottom started to peel away not long after using it. It scared me because I don't know where the peeled parts went? I didn't see the peeled off parts on dish cloth. Did I digest them without knowing? I don't know. Sadly I to return. It would be better if developers would keep the inside all metal without painting it. It would be a good product.

Helpful?6JRPDRFUZTLU15298822556
Dec 3, 2025
Melvin
Item details
Multipack quantity: 1
3 out of 5 stars review

Verified Purchase

Did not expect the plastic cup

Product description says it is a stainless steel mug. The problem is you drink from a plastic liner that gives a chemical flavor to the coffee. I did at least expect what was described. The drink warmth is maintained provi ded you get past the plastic cup.

Helpful?6JRPDRFUZTLU15298822556