BOSU Balance Trainer FAQ

You can find a detailed list of all BOSU variants here as a free PDF (English):

>> Download BOSU comparison table

The Bosuball should be around 25 cm high when inflated and lying on its flat side. You can easily check this by turning your BOSU over and then inflating it to a height of 21 cm. Its own weight compresses the ball by another 4 cm. Simply use the horizontal side of an A4 sheet of paper as a reference for the height.

>> Download infographic on inflating a Bosuball

All BOSUs in our current range can each hold up to 136 kg.

The BOSU Balance Trainer should be stored at normal room temperature between 18 and 22 °C, away from direct sunlight and not exposed to extreme heat (> 40 °C) or cold (< 5 °C) for long periods of time. The plastic bladder can lose its elasticity at extreme temperatures, which may compromise safety during training.

Please note the following when stacking several BOSUs on top of each other:
If you want to stack several BOSU Balance Trainers on top of each other, please make sure to always stack them bubble to bubble or plastic base to plastic base. The bubble can be damaged by prolonged contact with the underside of another Bosu ball.

The BOSU Balance Trainer is made of vinyl.

The bladder of the BOSU Balance Trainer is made of high-quality vinyl. It is free of harmful phthalates, cadmium and lead. Phthalates are often used as plasticizers in plastics. They are suspected of damaging the liver, kidneys and reproductive organs and also acting like a hormone in the body.

BOSU balance trainers are made in the USA.

No, all BOSUs are suitable for every body size.

The BOSU Balance Trainer can be easily wiped clean with a mild soap solution and a soft cloth/sponge cloth if it becomes dirty. Under no circumstances should harsh, abrasive cleaning agents be used.

In the ARTZT magazine you will find BOSU exercises:

>> BOSU Sixpack Workout - 8 exercises for your stomach

Due to the risk of falling when practicing with or on balance trainers of any kind, we advise against balance or coordination training during pregnancy.

Exercise is the best way to keep your back pain-free and healthy in the long term.

However, if you experience acute pain, you should always consult your doctor or physiotherapist.

Children can also playfully train their balance and coordination under professional guidance with the BOSU Balance Trainer. It is important that the exercises take place under supervision for safety reasons.

Yes. However, you should ensure that the surface is absolutely flat and horizontal.

Furthermore, the ball should not be stored in direct sunlight or in high heat for a long period of time, as this would negatively affect the material properties.

The BOSU Balance Trainer is made of durable vinyl and a sturdy plastic base. If the vinyl bladder does become irreparably damaged, it can easily be replaced. A new purchase of the entire Bosuball is therefore not necessary.

No. The BOSU Balance Trainer cannot be prescribed by a doctor.

Yes. The BOSU Balance Trainer is classified as a Class 1 medical device.