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.

Dimono®
Double-walled drinking glasses

The Dimono® double-walled drinking glass is a thermally efficient and visually appealing product designed to keep drinks hot or cold for longer. Its double-walled construction insulates the air, allowing hot drinks to retain heat for longer and soft drinks to be cooled efficiently. The special glass used is heat-resistant, lightweight, scratch-resistant and dishwasher-safe. The high level of craftsmanship involved in production and the elegant design make the drinking glass an ideal gift for various occasions. The test revealed that the drinking experience is very pleasant and the thermal insulation properties live up to the advertising promises. However, some customers complained that some glasses leaked and cracked after prolonged use.

Advantages

✅ Effective thermal insulation
✅ Visually appealing design
✅ Heat resistant
✅ Can be used for many types of drinks

Disadvantages

❌ None

The first impression

Packaging and contents

ℹ️ 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?

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingUnfortunately, use of bubble wrap – but useful for glass100 points
Package contents & scopedouble-walled drinking glass100 points
Instructions for usenone necessary100 points
Total100 points
Weighting: 20%
*The maximum score is 100 points

The Dimono® double-walled drinking glass was clean and appropriately packaged, without unnecessary packaging material. The product protection was adequate, as the glasses arrived without scratches or soiling . However, it should be noted that bubble wrap was used for the packaging, which makes sense for glass products but is not particularly sustainable. The packaging contained the double-walled drinking glass. There were no instructions for use, but the application is intuitive.

The first time in your hand

Product processing and appearance

ℹ️ 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?

CriterionRemarkScore achieved*
Visual appearanceappealing design100 points
ProcessingGood workmanship – no processing errors100 points
StabilityVery stable100 points
Sustainability of the productNo information on sustainability – however, we assume a high durability due to the materials used80 points
Total95 points
Weighting: 20%
*The maximum score is 100 points
Verpackungsinhalt
Package contents

The double-walled drinking glass from Dimono® is a real eye-catcher with its appealing design. The workmanship is good, with no visible defects. The glass is characterized by high stability. Although there is no specific information on the sustainability of the product, the use of high-quality materials suggests a long service life . It should be noted that no further information is available on the appearance or other properties.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ 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.

CriterionRemarkScore achieved*
Drinking sensationvery pleasant100 points
Thermal insulationMore than one hour of thermal insulation, cool outside temperature at the same time90 points
AppearanceAppealingly elegant100 points
CleaningDishwasher-safe100 points
CapacityExactly as specified – but filling is only recommended up to 400ml95 points
Total97 points
Weighting: 45%
*The maximum score is 100 points

The drinking experience with the double-walled Dimono® drinking glass was perceived as very pleasant. The thermal insulation properties enabled thermal insulation for more than an hour at a cool outside temperature. The appearance of the glass was perceived as pleasantly elegant. Cleaning was easy as the glass is dishwasher-safe. The capacity corresponds exactly to the specifications, although it is recommended to fill the glass with a maximum of 400 ml .

Price/performance ratio

and ratings from consumers

ℹ️ 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.

CriterionRemarkScore achieved*
Price / performance ratioVery good price-performance ratio90 points
Rating cut4.3 out of 5.0 stars on Amazon65 points
Total78 points
Weighting: 15%
*The maximum score is 100 points

On the Amazon platform, consumers rate the product with an average of 4.3 stars. The excellent insulating effect, the good price-performance ratio and the attractive appearance are highlighted as positive aspects. However, some customers complained about leaks and cracks that occurred in some of the glasses.

Prices of up to €20 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €4 . The double-walled drinking glass from Dimono® is therefore currently in the lower price segment with a price of €5.95. For the quality and performance received, the price-performance ratio isvery good.

Overall result

WeightingScore achieved*
1. packaging & contents20%100 points
2. product processing & appearance20%95 points
3. in the practical test45%97 points
4. price/performance & consumer ratings15%78 points
Total94 points
*The maximum score is 100 points
Double-walled drinking glasses
 of the brand 
Dimono®
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
07/23
and is stored in our database under the licence number
230703001
. 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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