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.

Berninja
Natural dryer balls

Manufacturer’s product description

These natural dryer balls made from 100% sheep’s wool are an environmentally friendly alternative to chemical fabric softeners and disposable dryer sheets. They significantly reduce drying time, saving energy and costs. A particularly positive feature is that they are completely free of chemicals, PVC, or synthetics, making them ideal for sensitive skin and babies. The balls are handmade from high-quality New Zealand wool, can be reused multiple times, and thus offer a clear sustainability advantage.

In testing, it was noted that the dryer balls help reduce wrinkles, static cling, and tangles, leaving laundry pleasantly soft.

One slight negative is that the drying time is not always reduced by the same amount. The result depends on the dryer model and load size.

Overall, the dryer balls impressed in the test with their reusability.

  • Reduces drying time, thereby saving energy and costs
  • Reusable for many drying cycles
  • Comes in a practical cotton bag
  • Drying time is not always reduced by the same amount

First impression

Packaging and contents

Here, the packaging is examined in more detail. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course be ensured. Is 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 the packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course be ensured. Is 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

Cardboard is sturdy, product adequately protected

100

Points

Sustainability of packaging

No unnecessary packaging waste, plastic film protects product components

80

Points

Package contents & scope

Complete

100

Points

Instructions

Product is self-explanatory

100

Points

TOTAL

95

Points

Weighting: 20%
*The maximum number of points is 100

The dryer balls make a high-quality and natural impression as soon as you unpack them. They are delivered in a simple, environmentally friendly cardboard box containing the six wool balls together with a practical cotton bag. Unfortunately, the cotton bag is wrapped in plastic. This plastic packaging could be avoided in terms of packaging sustainability. When you first touch them , the balls feel soft, densely felted, and cleanly finished, with no chemical smell or loose fibers. Instructions for use are not necessary, as the application is self-explanatory—simply put them in the dryer with your laundry. Overall, the packaging and workmanship convey a very high-quality and environmentally conscious overall impression that fits perfectly with the sustainable concept of the product.

First time in hand

Product workmanship and appearance

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

Before putting the products to the test, we take a close look at their workmanship. How high-quality are the materials used? Are the feel and appearance satisfactory?

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Visual appearance

Appealing design

100

Points

Workmanship

Very good workmanship

100

Points

Stability

Very stable

100

Points

Sustainability of the product

Use of sustainable materials

100

Points

OVERALL

100

Points

Weighting: 20%
*The maximum score is 100 points

The dryer balls impress from the moment you touch them with their high-quality, soft, and dense finish. The natural, simple design is appealing and fits perfectly with a sustainable household product. It is particularly positive that the balls have no chemical or artificial smell, which underlines their pure and natural material quality. The balls retain their shape very well – even after several drying cycles, they retain their structure and elasticity. It is also clear that great importance was attached to environmental friendliness and sustainability during production, as only wool is used. Another plus point is the cotton bag, which is not only practical but also visually appealing and reusable. Overall, Woolly Dryer dryer balls are a well-designed, durable, and environmentally friendly product that impresses in terms of both quality and functionality.

This is what our practical test revealed

Does the manufacturer deliver on its advertising promises?

Our practical test is the most relevant and therefore carries the highest weighting. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

Our practical test is the most relevant and therefore carries the most weight. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

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Noise during the drying process

No influence on noise level

100

Points

Reduction in drying time

Noticeably reduced drying time

90

Points

Odor neutrality and possible fragrance release

Completely odorless

100

Points

Dimensional stability

Reliably retains its round shape even after many cycles

90

Points

Cleaning and maintenance

Easy to clean

100

Points

OVERALL

96

Points

Weighting: 45%
*The maximum score is 100 points

The dryer balls deliver what the manufacturer promises. They noticeably reduce drying time and help save energy and costs. By naturally fluffing up the laundry in the dryer, air circulation is improved, resulting in clothes that come out of the machine softer, smoother, and virtually wrinkle-free. Thanks to their robust and dense felt structure, the dryer balls retain their shape and effectiveness even after many uses. They are very easy to use – simply put them in the dryer with the laundry, without any additional effort. The simple, natural design and the cotton bag included in the delivery round off the overall package. Overall, the dryer balls impress with their functionality, sustainability, and high-quality workmanship.

Test plan

You can find detailed information about the evaluation criteria for the practical part of the test and the scoring system 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 consumer reviews

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

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Price/performance ratio

Very good performance in the lower price segment

90

Points

TOTAL

90

Points

Weighting: 15%
*The maximum score is 100 points

Prices of up to €39.95 are charged for equivalent products on the internet. Very inexpensive products are available from as little as €9.95 . The Berninja Natural Dryer Balls are currently in the lower price segment at €11.49. The price/performance ratio is rated as very good. This rating takes into account both the high quality and performance as well as the low price, resulting in a very good overall ratio.

Overall result

1. Packaging & contents

20

95

Points

2. Product processing & appearance

20

100

Points

3. Practical test

45

96

Points

4. Price/performance ratio

15

90

Points

TOTAL

96

Points

*The maximum score is 100 points

Natural dryer balls
 of the brand 
Berninja
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
10/25
and is stored in our database under the licence number
250912001
. 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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