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Under the Waves 18 oz Steel Bottle
$ 80.00
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Dive into your marine science fieldwork or head out for a day on the sand with a refreshing drink in this Under the Waves bottle. When the sun goes down, refill it with something warmer splash down into your night dive. If you’re stuck in a landlocked place, use it as a reminder of watery horizons and the magic of the sea.
With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.
SKU: ThSea Case
Infuser Basket Compatible
Designed in USA
Compostable Packaging
Carbon Neutral Shipping
Hand-wash only
BPA-Free
Here's how it works: the space between the inner and outer flask wall is evacuated, creating a vacuum (well, a partial vacuum anyway...). In order for heat transfer to take place from the outside world into your cold drink, or from your hot drink to the outside world, it needs nearby molecules to excite. If there aren't many molecules nearby, as is the case in a vacuum, the heat's energy can't easily be passed along, so your drink stays close to the temperature it was when you put it into the flask for a really long time.
Simply stated, vacuums make great thermal insulation!
| Volume | 18 oz | 530 mL |
| Width | 2.75" |
| Height | 8.75" |
| Opening | Wide mouth |
| Features | Infuser basket compatible |
| Material | High-grade stainless steel |
| Origin | Designed in Oregon, Built responsibly overseas |
| Cap Material | High-grade stainless steel, silicone ring |
| Care | Hand wash only |
Belly band, some older versions may have barcode on bottom
Minimums
Wholesale orders must total $300 in order to be processed.
Shipping
Ground shipping is now free on all orders within the lower 48 states and discounted on orders shipping to Alaska and Hawaii!
Orders are typically processed and shipped in within 2-5 days from our warehouse in Redmond, OR.
If your shipping address is in Europe, Asia, Oceania or the Middle East, please check out our Global Wholesale shop for more economical shipping rates.
Selling Online
You may sell our products online through your own website, but not on public market places like Amazon, Ebay, Etsy, Storenvy, Google shopping etc.
Returns & Exchanges
Within 30 days of purchase
Free Shipping
on Continental US orders over $300
Sustainably Minded
Eco-Friendly Products & Inclusive Workplace
Worldwide Shipping
We ship almost everywhere in the world
18 oz
Insulated Steel Flasks
Go ahead and get lost in your work – your drink will stay hot (or cold) for hours.
Frequently Asked Questions
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Shipping is available to most countries. See details at checkout.
If you are in Europe, Asia, the Middle East, Oceania, & South Africa please take a look at our global site.
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We want to make sure your order gets to you as quickly and accurately as possible! Most orders are shipped in 3-5 business days, sometimes sooner.
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When your order arrives, open it up and take a look. If anything isn't as expected, got damaged in transit, or doesn't fit properly, let us know and we'll make it right.
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We do! Read more here.
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