TruEnamel Tumbler

Regular price $29.95
Regular price $29.95 Sale price $29.95
Sale Sold out
6 reviews

TruEnamel Tumbler

Regular price $29.95
Regular price $29.95 Sale price $29.95
Sale Sold out
6 reviews
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Orders over $75 ship free!
(U.S. standard ground only)


Product Description

Introducing your new favorite cup. The 12oz TruEnamel™ brings first-of-its-kind innovation with a familiar feeling. The pure fired-glass TruEnamel coating features a smooth drinking surface, making that first morning sip even smoother. Add in vacuum-insulated stainless steel for that cozy (or cool) feeling you can take with you anywhere. Not to mention it sits pretty on the shelf.


Wash before first use. Hand wash recommended, do not use abrasive cleanser or wire brushes. Lid top rack dishwasher safe. Do not freeze, do not microwave, do not bleach, do not overfill. Left unwashed, dark liquids will stain.

CAUTION: Choking hazard, may contain small parts not suitable for children under 3 years.  When filled with hot liquids and keep hot liquids out of reach of children. *Note the Press-fit Slide Lid is not leakproof.

Shipping & Returns

Do I have to pay for shipping?

MiiR offers free standard ground shipping within the contiguous United States for orders $75 and over. Standard ground orders under $75 are subject to a flat rate shipping fee of $9.95 USD. Expedited and international rates, if applicable, will be calculated in the checkout once you have entered your shipping address.  A shipping charge will be applied to your final order in all other scenarios.

When will my order ship?

We do our best to ship your order within 1-2 business day of purchase, M-F. Exceptions may occur if there is a question regarding your order, in which case we will contact you directly.  If you have questions about your order, please contact at

MiiR uses FedEx on all shipments within the contiguous United States unless an expedited option is selected by the customer.

2-Day and Overnight orders should be placed by 11:00 AM PST for quickest delivery. Expedited orders placed after 11:00 AM PST will require an additional business day for processing. This excludes weekends and holidays. All "Delivery by" dates are estimates and not guaranteed. 

Shipping to Hawaii 

All orders shipping to Hawaii will ship FedEx Ground unless the customer selects an expedited service. Air freight to Hawaii has become very limited and as a result orders shipping to Hawaii may take an additional 5 weeks when traveling by boat.

Keeps Drinks Cold or Hot Longer

Our Thermo 3D® Double wall vacuum-insulation keeps hot drinks hot and cold drinks cold.

Ultra-Smooth Drinking Surface

Real fired-glass enamel imparts no smell or flavor to your beverage.

Splash Proof

TruEnamel™ Tumbler comes with the Press Fit Slide Lid that's both splash proof and shatter proof.

Design Forward

Enduring 18/8 Stainless Steel material and pure fired-glass enamel meets beautiful design with a minimalist silhouette. BPA free.

Generosity Driven

Every MiiR product sold helps fund nonprofit organizations that work to empower communities, while investing in the health of our natural environments.

Customer Reviews
4.2 Based on 6 reviews
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john v.
United States United States


Your best yet! Now make wine glasses.

United States United States

Almost perfect...

Really enjoying the new trueenamel tumbler, has a very slick finish and is easy to clean. Only negative so far is the gasket should have been designed slightly thicker as it pops out a little too easily as the finish is so smooth on the interior.

Richard S.
United States United States

Nice but...

Nice mug, but don't see the value in the enamel coated mug versus the non-coated. Coated just feels more fragile with little positive trade off. Assuming you're 'on the go' if you're buying a tumbler. This enamel doesn't feel like it will stand up to a mobile lifestyle.

Will I.
United States United States

Beautiful tumbler but a bit fragile.

Love the feel and look of the TruEnamel Tumbler, however it seems the enamel is a bit fragile. I noticed a small chip in the bottom and I did not drop it and don’t remember bumping it hard. Love the idea but the execution needs some work. I am a big fan of all the other Miir products I have purchased.

MiiR TruEnamel™ Tumbler ReviewMiiR TruEnamel™ Tumbler Review
Canada Canada

Best Tumbler in the market

Whoever pitched adding enamel to an insulated tumbler deserves a big award. Nothing compares to the smoothness of enamel when you take a sip; its neutral flavour helps preserve the drink's quality. TruEnamel is a game-changer for reusable cups. I hope soon we get more options for sizes.