Mainstays 12 oz Double Wall Glass Mug - Safe for Cold Brew & Hot Coffee

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Mainstays 12 oz Double Wall Glass Mug - Safe for Cold Brew & Hot Coffee
Mainstays 12 oz Double Wall Glass Mug - Safe for Cold Brew & Hot Coffee
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Mainstays 12 oz Double Wall Glass Mug - Safe for Cold Brew & Hot Coffee

3.5 stars out of 36 reviews
(3.5)|
36 ratings

Key item features

  • 12 oz Double wall mug
  • Clear color
  • 100% high borosilicate
  • Dishwasher Safe
  • Do Not Microwave
Current price is $4.66
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Customer ratings & reviews

3.5 out of 5 stars
stars36 ratings23 reviews
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Reviews summary

Neutral
  • : Can be sturdy with comfortable grip, but also prone to low-quality materials.
Cons
  • : Outer material is plastic, not glass as expected.
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Showing 1-3 of 23 reviews

Jun 29, 2025
anonymous
Top Reviewer
5 out of 5 stars review

Verified Purchase

Glass no leaching chemicals

I feel safer using glass, as it usually doesn't contain lead like some ceramic ware (older or made in other countries) or leach chemicals into your drink like some plastics. I am happy with this product.

Helpful?6S4RA1HCEUP15644968303
Jun 16, 2025
Richard
3 out of 5 stars review

Verified Purchase

Nice, but fragile.

I liked this cup so much I bought a second after the first one accidentally got damaged...the second one didn't fare well for long and started leaking water into the air space when being washed. These are nice cups but they are fragile, you have to be very careful with them.

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May 12, 2025
Linda
3 out of 5 stars review

Verified Purchase

It's not glass The cup is ok but it's plastic on the outside, with double-wall glass on the inside It does hold heat for a while, but the circumference loses heat ppretty fast if not on a warming plate.

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