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bold seik unista thermos in dramatic studio lighting showcasing its sleek 500ml stainless steel form

Stylish Water Bottle and Thermos 500ML

€23,95 EUR
Taxes included. Shipping calculated at checkout.

Rather Good Hydration, Wherever Life Takes You

Whether you're mid downward dog or just trying to look like you have your life together on the morning commute, this delightfully stylish thermos keeps your drinks at the right temperature and your aura of calm untouched. It's hydration with a hint of flair and a dash of British understatement.

Why Choose Our Stylish Water Bottle and Thermos?

Temperature Control: Drinks That Behave Themselves

Double-walled stainless steel keeps tea gloriously hot for 6 hours and water refreshingly cool for 12. Ideal for unpredictable schedules and even more unpredictable weather.

Leakproof: Because Chaos Belongs Elsewhere

The vacuum-sealed lid won’t let so much as a drop escape. Toss it next to your electronics, documents, or questionable lunchbox with complete serenity.

Sustainably Packaged: Guilt-Free Gifting

Delivered in eco-friendly recycled packaging that’s ready to impress. Add a bit of ribbon and you’ve practically won a medal for thoughtfulness.

Product Details:

  • Capacity: 500ML
  • Temperature Control: 12H Cold / 6H Hot
  • BPA Free: Keeps it delightfully safe
  • Eco-Friendly: Positively kind to the planet
  • Leakproof: Committed to dry bags and smug grins
  • Designed in Estonia: Local ingenuity at its finest
  • Hot and Cold Compatible: Carbonated beverages not invited
  • Easy to Clean: Warm water and baking soda will do
  • Not suitable for microwave, oven or freezer

Order now and elevate daily hydration to something rather marvellous

SHIPPING + RETURNS


THE RATHER IMPORTANT BITS

This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.

SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.

Some are brilliant at international shipping, others prefer to keep things closer to home.

At checkout, you'll see exactly where this particular brand can send your goodies.

We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!


RETURNS

You have 14 days to return items.

Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!

🌍 PLEASE CHOOSE THOUGHTFULLY
:
Our wonderful partners put their hearts into everything they make.

Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
The brands we work with all have a chat option, and they love to chat!

PAYMENT

We're frightfully modern and accept all the usual suspects:

Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay

SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!

All prices in lovely British pounds £ GBP, though international chaps will see converted prices.

Any payment pickle? We're here to help sort things out! Contact us

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We are Sostter

We met as children. Grew up a few streets apart. Built dens, rode bikes, and eventually — built Sostter.
It started with a shared love of objects that meant something…things with a past, or at least a purpose.
Now, Sostter is our grown-up version of a treasure hunt: a space where design meets storytelling.
We curate independent brands, one-of-a-kind finds, and everyday essentials with character.

Read All About Us >
Giving Back

We’re proud to support Sutton Night Watch, a grassroots UK charity making a real difference in the lives of those facing homelessness. Through regular donations of stock, supplies, and essentials, we back their mission to offer warmth, dignity, and practical help to anyone in need — right where it matters most.

Sell with us


Sostter partners with independent brands that intrigue, inspire, and bring something genuinely different to the world of fashion, design, and living. Join us!

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