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# Eco-friendly products, more pricey? Flask vs takeaway
- URL: https://tomiescuisine.co.uk/flasks-vs-takeaway/
- Published: 2022-05-26T19:59:29.000Z
- Updated: 2022-05-26T19:59:29.000Z
- Description: Do you use a flask? We love it! It reduces waste, saves money, and is hugely practical. We calculated how eco and budget-friendly using a reusable bottle could be. Let’s find out how much you can save!
- Author: Hitomi
- Tags: Plastic-free, Eco-friendly Tips, #post-card-avocado

Today I will compare bringing a flask to buying drinks from shops. The result might be pretty obvious for some of you, but it might be news to others.

Since I was a kid, I have used a vacuum flask to bring iced cold tea to school, especially during the summer in Japan. And I’ve mostly kept at it ever since. Well, storytime is over; let’s have a look together!

### Flask

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/thermos-flask-in-the-pocket-of-the-backpack.jpg)

[THERMOS 4035.211.075 Ultralight Thermos Flask, White 750 ml](https://amzn.to/3MnauVT?ref=tomiescuisine.co.uk)

#### Price

Flask: £20 to £25 for 500ml.

Tea: 100 tea bags-> £5 = 5p per tea bag

Coffee: 1 bag of grounded coffee-> £5 = roughly 30p per 500ml of dripped coffee.  

#### Pros

- You can prepare your favourite, which is much cheaper than buying it from shops.
- It generates less waste.
- It keeps the drink hot or cold for long hours.

### Cons

- You need to spend some time preparing your drinks.
- Some people might think it’s troublesome.
- Not ideal if you’re in a rush.

### Drinks from coffee shops

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/paper-cup-with-paper-lid.jpg)

#### Price

£3 to £5 per drink

#### Pros

Fresh, made by professional staff.

### Cons

More expensive and more waste of cups and lids.

### Note

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/thermos-bottle-on-the-outside-table-1.jpg)

We love using flasks and bringing them with us. Typically we use the 500ml capacity; it’s great for a day out. We can drink whenever we want, and we don’t need to find a bin to throw rubbish.

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/two-vacuum-flasks-in-the-car.jpg)

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/stainless-steel-bottle-in-the-car.jpg)

When we drove through France, I was happy to have them. Generally, whatever is sold in a service station is more expensive than in usual shops. We carried one for coffee, another for hot tea, and a stainless steel bottle with cold-brewed tea for the two of us. Therefore we didn’t need to buy any drinks!

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/tea-from-the-bottle-with-laptop.jpg)

Another good thing about the Thermos is that we can keep the temperature longer. I am a slow drinker, and most of the time, when I serve coffee in a mug, I end up with cold coffee halfway through. Then I remembered that my mother used to make coffee and keep it in a large Thermos for everyone to have during the day. So now, when I am having coffee, I pour it into a flask and have a hot coffee anytime I want. Of course, I don’t need to reheat, so it saves some (a little) energy!

## Result: Flask, ftw!

### Example

We get coffee **five days a week** to bring to work or school.

I usually prepare an americano for myself, and buying a large americano (between 450ml \~ 500ml) from a coffee shop in England is around **£3**.

One coffee: **£3**

Weekly: **£15**

Yearly: **£810** (**£726** if you don’t count holidays)

*((3\*5)\*54)-(3\*28) = £726*  

On the other hand, if you make your coffee at home and bring it with your flask, the first investment is £25, then making roughly 30p coffee, but let’s say it’s 50p for the energy cost.

One flask: **£25**

One coffee: **50p** (includes ground coffee & energy cost)

Weekly: **£2.5**

Yearly: **£135** (**£121** if you don’t count the holidays)

*(0.5\*5)\*54 = 135*

*((0.5\*5)\*54)-(0.5\*28) = 121*  

Even if we add up the cost of the flask for the first year, it’s still much cheaper than buying a cup of coffee from a shop. I have been using mine since the winter of 2020, so it’s been more than a year, but I’ve not had any problems, and I am sure that I can use it even longer.

[THERMOS 4035.211.075 Ultralight Thermos Flask, White 750 ml](https://amzn.to/3MnauVT?ref=tomiescuisine.co.uk)

## Closing words

![](https://storage.ghost.io/c/11/df/11dfbd1c-fe62-41b4-867f-0cd991a08e6e/content/images/2022/05/putting-tea-bag-in-the-bottle.jpg)

Sometimes it’s annoying to make your drink. It doesn’t need to be every day. Using your reusable bottles instead of buying them makes a difference in your waste and money. Or bring your bottle to a shop to fill it; they often offer a discount. I don’t see any problem with reusable bottles.

We talked about eco and budget-friendly products for three posts in a row, but the next blog post is back to recipes! I will continue to look for eco and budget-friendly products and share them with you guys!

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