Wide Mouth

This 32oz stainless steel water bottle keeps drinks hot or cold all day and has a wide mouth for ice, cleaning, and easy refills.

Product Description

Our Wide Mouth Water Bottle Collection is designed to keep up with every level of thirst and any active, on-the-go lifestyle. Crafted from durable 18/8 stainless steel, it features Thermo 3D® double-wall vacuum insulation to keep beverages hot or cold for hours.

The patented leakproof threaded lid ensures a secure, spill-free experience, while the wide mouth opening allows for effortless filling, cleaning, and ice-cube compatibility—perfect for warm days.

Available in 16oz, 20oz, and 32oz, each bottle is finished with our Hardshell™ Powder Coat for a sleek, long-lasting exterior that resists wear. Whether you’re hitting the trails, commuting, or simply staying hydrated throughout the day, this bottle is built to go wherever life takes you. *16o and 20oz Wide Mouth bottles are cup holder compatible.

Care

Wash before first use. Hand wash recommended. Lid top rack dishwasher safe. Do not freeze, do not microwave, do not bleach, do not overfill.

CAUTION: Choking hazard, may contain small parts not suitable for children under 3 years.

Capture the mood of the season. Now available in 2026 limited colorways, Cedar Brown and Feather Gray, while supplies last.

What Lids Are Compatible?
Black MiiR water bottle Leakproof Straw Lid open

Leakproof Straw Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Black Flip Lid for MiiR Wide Mouth Bottles

Flip Traveler Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Black lid with 'MiiR' branding on a white background

Leakproof 360 Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Wide Mouth Lid

Wide Mouth Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

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 all orders within 2 business days (M-F) from the date of purchase. Orders placed after 7:00 AM PST will be processed the next business day.

Orders with personalized items take 3-5 business days to be processed.

Exceptions may occur during peak times (holidays, sales, special events, etc). If there is a question regarding your order, we will contact you directly. If you have questions about your order, please contact us at hello@miir.com. 

Shipping to Hawaii 

Shipments to Hawaii will be automatically upgraded to a 2-day delivery service. Furthermore, please note that shipping remains free for orders over $75.

Wide Mouth

This 32oz stainless steel water bottle keeps drinks hot or cold all day and has a wide mouth for ice, cleaning, and easy refills.

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Takeback program

Whether your MiiR is dented, dinged, or your style has changed, recycle responsibly with us and earn a $20 online store credit with Re:Claimed Takeback. We make it easy: send us your used MiiR, we’ll sort and recycle it, and you receive store credit.
Takeback Program
$20 credit on future purchases

Free Shipping

MiiR offers free standard ground shipping within the contiguous United States for orders $75 and over after discounts, before taxes. Standard ground orders under $75 are subject to a flat rate shipping fee of $9.95 USD.
Free Shipping
For US Ground on orders over $75

Lifetime Guarantee

Every MiiR product comes with a lifetime warranty. Should it ever fail, we’ll provide a replacement and recycle the original, so your favorite product stays in action for years to come.
Lifetime Guarantee
reduces waste on the planet
Certified B Corporation
The Climate Label
1% For the Planet Member
Certified Evergreen
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Product Description

Our Wide Mouth Water Bottle Collection is designed to keep up with every level of thirst and any active, on-the-go lifestyle. Crafted from durable 18/8 stainless steel, it features Thermo 3D® double-wall vacuum insulation to keep beverages hot or cold for hours.

The patented leakproof threaded lid ensures a secure, spill-free experience, while the wide mouth opening allows for effortless filling, cleaning, and ice-cube compatibility—perfect for warm days.

Available in 16oz, 20oz, and 32oz, each bottle is finished with our Hardshell™ Powder Coat for a sleek, long-lasting exterior that resists wear. Whether you’re hitting the trails, commuting, or simply staying hydrated throughout the day, this bottle is built to go wherever life takes you. *16o and 20oz Wide Mouth bottles are cup holder compatible.

Care

Wash before first use. Hand wash recommended. Lid top rack dishwasher safe. Do not freeze, do not microwave, do not bleach, do not overfill.

CAUTION: Choking hazard, may contain small parts not suitable for children under 3 years.

Capture the mood of the season. Now available in 2026 limited colorways, Cedar Brown and Feather Gray, while supplies last.

What Lids Are Compatible?
Black MiiR water bottle Leakproof Straw Lid open

Leakproof Straw Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Black Flip Lid for MiiR Wide Mouth Bottles

Flip Traveler Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Black lid with 'MiiR' branding on a white background

Leakproof 360 Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

Wide Mouth Lid

Wide Mouth Lid

Compatible with
16oz, 20oz, 32oz

View Product ›

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 all orders within 2 business days (M-F) from the date of purchase. Orders placed after 7:00 AM PST will be processed the next business day.

Orders with personalized items take 3-5 business days to be processed.

Exceptions may occur during peak times (holidays, sales, special events, etc). If there is a question regarding your order, we will contact you directly. If you have questions about your order, please contact us at hello@miir.com. 

Shipping to Hawaii 

Shipments to Hawaii will be automatically upgraded to a 2-day delivery service. Furthermore, please note that shipping remains free for orders over $75.

MiiR - Design forward. Generosity driven.

$5.2M Given
120 Nonprofits
26 Countries
With design, generosity and sustainability at our core, MiiR adamantly and actively contributes to the prosperity of people and planet. Each year, we invest a portion of top-line revenue in nonprofit organizations whose work empowers communities while benefiting the health of our natural environments.
A man holding a MiiR Wide Mouth Bottle in Cactus Green

Stylish and Functional Design

Every MiiR product is designed in-house and emphasizes four design principles: minimal, sustainable, functional, and enduring. Available in 3 sizes, four interachangable lids, and a range of timeless colors, the functional design of our wide mouth water bottle fits perfectly wherever life's adventures take you.

Keeps Drinks Cold or Hot Longer

Our patented leakproof threaded lid twists on to prevent spills and leaks.

Spill-Proof Convenience

This stainless steel water bottle offers a wide mouth opening and a patented hreaded, leak proof lid, making it simple to add ice and clean.

Responsibly Made

All MiiR products are sourced with Certified B standards and responsibly crafted with 18/8 Medical grade stainless steel and BPA-free construction to ensure pure taste and no flavor transfer between beverages.