Narrow Mouth Stainless Steel Insulated Water Bottles

At Iron Flask, we have everything you need for accommodating an active and sustainable lifestyle, including our best-selling narrow mouth water bottle. Built to last a lifetime, this standard mouth water bottle is made with premium stainless steel and comes with three lids. For drinks at just the right temperature, the bottle uses double-walled vacuum technology to maintain the temperature of both hot and cold beverages. Shop for your own narrow mouth water bottle today and discover the difference of Iron Flask products, designed for the highest performance, functionality, and sustainability. With your Iron Flask bottle, you’ll also enjoy extra value — it comes with three extra lids at no cost.

Iron Flask’s Narrow Mouth Water Bottle

Our commitment to developing sustainable products with functional features means we've considered every detail to ensure our bottles provide both ease and convenience in your day-to-day. The standard narrow water bottle from Iron Flask features a sleek body made with premium stainless steel which never rusts and doesn't leave a metallic taste in your mouth. The double-walled vacuum insulation also helps keep beverages icy cold for up to 24 hours and hot beverages will maintain their temperature for up to 12 hours. Another benefit of the double-walled vacuum exterior of the insulated narrow mouth water bottle is that it never sweats — giving you a secure, slip-free grip when you're on the move.

Your Next Water Bottle — Functional and Versatile

The narrow mouth bottle from Iron Flask comes in both the Spout Lid and the Straw Lid design, and is also equipped with practical features such as a cup holder-friendly design; our 12oz, 16oz, 20oz, and 24oz easily fit into built-in cup holders found in vehicles, backpacks, and other outdoor gear. We also make it easy to coordinate our narrow mouth water bottle with your everyday style — choose from a wide range of elegant and eye-catching colors such as Bubble Gum, Aquamarine, Kiwi Green, Graphite, and more. And when it comes to durability, we've gone the extra mile with a powder-coated finish that will maintain its shiny, just like new exterior over time.

Our best-selling stainless steel water bottle comes with a standard mouth spout lid, which provides quick hydration and no drips. What sets Iron Flask apart is that your standard narrow mouth water bottle purchase includes additional lids at no extra cost. Your narrow mouth bottle comes with your choice of the small mouth spout lid or the straw lid; a flip lid for easy access to icy cold drinks; and a BPA-free handle lid designed for utility with a slip-free grip.

Stainless Steel Narrow Mouth Water Bottle for Sustainability

At Iron Flask, we design all of our products to encourage sustainability while also providing healthy and safe hydration. This is why our line of water bottles are made with non-toxic and BPA-free lids. When you purchase an Iron Flask water bottle, you're doing your part to reduce plastic waste and also staying safely hydrated throughout the day.

We also love our customers, a testament to our 100% satisfaction guarantee and lifetime warranty that comes with every purchase. To get the most mileage out of your Iron Flask water bottle, we also feature a selection of affordable and practical accessories. For sizes 12oz to 24oz, we recommend protective boots to maintain its sleek and shiny exterior. We make it easy and affordable to upgrade your bottle and keep it squeaky clean with replacement lid sets, which come with extra straws and cleaning brushes. Shop for your own narrow mouth water bottle today and get ready to enjoy hours of hydration while saying no thanks to plastic water bottles. It's the smart choice for your health and the planet!

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