About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

volila
Mason Jar with Lids

Product description of the manufacturer

The Mason Jar with Lids from the volila brand are preserving jars for storing drinks or food.
The jars are supplied in a set of six and measure 13 x 7 cm. The lid can be screwed on and the jars hold a total of around 490 ml.
This product can be used in a variety of ways: it can be used to store salad, overnight oats, jams or as a storage jar for pre-cut and cooked ingredients or leftovers.
The visually appealing jars can also be used as a decorative element. Small fairy lights create an attractive night light.
In the practical test, this product impressed with its tightness and robustness .
The fact that the manufacturer offers a one hundred percent product guarantee is a positive highlight. If the buyer is not satisfied with the product, they can contact customer support directly.

  • Good capacity
  • Screw-on lid
  • Attractive design
  • All glasses in a pack of six in exactly the same size

The first impression

Packaging and contents

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Carton is sturdy, product sufficiently protected

100

Points

Sustainability Packaging

Unnecessary packaging waste has been avoided, the plastic film protects the product components

90

Points

Package contents & scope

Complete

100

Points

Instructions for use

Product is self-explanatory

100

Points

TOTAL

98

Points

Weighting: 20%
*Themaximum score is 100 points

This product was delivered in a sturdy product box that was perfectly matched to the size of the jars.
Inside the box, the jars were well padded with bubble wrap. The thick plastic padding seems appropriate given the fragility of the jars.
Instructions for use are not included with the product, but are not needed as the product is self-explanatory.

The first time in your hand

Product processing and appearance

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

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Visual appearance

Attractive design

100

Points

Processing

Very good workmanship

100

Points

Stability

Very stable

100

Points

Sustainability of the product

Not specified

80

Points

TOTAL

95

Points

Weighting: 20%
*Themaximum score is 100 points

When you pick up the product for the first time, you immediately notice the thickness of the glass. The glass wall feels firm and robust.
The quantity and filling indications on the outside of the glass wall, which show exactly how much liquid or other food is in the jar, are a positive feature.
The screw cap feels solid and of high quality. The lid can be easily placed on the jar and is screwed on tightly with just a few turns.
Overall, this product makes a solid impression and also impresses with its beautiful, unagitated design.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

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Tightness with water

No liquid leakage

100

Points

Heat resistance in boiling water

Is given, robust

100

Points

Ease of opening and closing

Easy to reopen

100

Points

Scratch resistance of the glass with a kitchen knife

Good scratch resistance

100

Points

Weight of the empty jar compared to other jars

Relatively lightweight, similar to many comparable empty jars

100

Points

TOTAL

100

Points

Weighting: 45%
*Themaximum score is 100 points

The product was subjected to a thorough practical test.
The tightness was tested with liquids of different thicknesses: Yogurt, water and pudding. The jar was able to withstand the leak test, as no liquid escaped .
In terms of heat resistance , the material also proved to be robust – it is possible to fill boiling hot boiled fruit into the jar without any problems.
The jar can be opened and closed easily and with average effort.
To test the scratch resistance of the glass surface, the material was treated with a kitchen knife. The glass proved to be very robust and it can therefore be assumed that signs of wear will not become visible too quickly with regular use.
The empty glasses are relatively evenly weighted or have an average weight for glasses of this size.
In the practical test, the robustness of these glasses and their impermeability to different liquids were particularly impressive.

Test plan

You can find a detailed insight into the evaluation criteria of the practical part of the test and the distribution of points here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and ratings from consumers

Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

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Price / performance ratio

Very good performance in the mid-price segment

80

Points

Rating cut

Due to a recent court ruling, customer reviews are currently no longer included in the calculation of the overall score

TOTAL

80

Points

Weighting: 15%
*Themaximum score is 100 points

Prices of up to €25.00 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €14.00 . The Mason Jar with Lids from volila is therefore currently in the middle price segment with a price of €20.99. For the quality and performance received, the price-performance ratio is very good.

Overall result

1. packaging & contents

20%

98

Points

2. product processing & appearance

20%

95

Points

3. in the practical test

45%

100

Points

4. price/performance & consumer ratings

15%

80

Points

TOTAL

96

Points

*Themaximum score is 100 points

Mason Jar with Lids
 of the brand 
volila
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
02/25
and is stored in our database under the licence number
250207001
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

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