What is the Dynair Senso XL ball cushion? The original Dynair Senso ball cushion XL - made in Germany - is an air-filled and dynamic training and therapy device. It is regarded as an uncomplicated and space-saving alternative to the large Ball and is used as an unstable base for back and fitness training in sitting, standing and lying. The product is latex-free, contains no prohibited phthalates and is used on your own Location in Prien am Chiemsee (Germany) manufactured by TOGU, the inventor of the ball cushion. For the Dynair ball cushion XL TOGU gives a 30-year manufacturer warranty. What does the application do? A healthy, strong back and a stable centre of the body. The back is effectively and simply relieved and trained on the side. The intervertebral discs are gently kept in motion and the Muscles of the spinal column are trained. The upright posture can be optimized. In addition, the so-called sensorimotor training (interaction between nervous and muscular system) the following effects: Improvement of the nervous system, concentration and coordination, joint stability and movement in general. The new Nature Line colours The four additional colours basalt, misty-mountain, sea-grass and aubergine are inspired by nature. With these new and elegant colour shades they fit perfectly into every room concept and can be ideally integrated into the living space. No matter if in private or professional environment: Sit healthy on the new Dynair ball pillows from TOGU. Because healthy sitting is sitting in motion. How does it work? The air filling, the shape and the special high-quality material enable dynamic sitting and training: minimal movements on the body are constantly and immediately transferred. This involuntarily trains the deeper lying back muscles and the sensorimotor system. In contrast to sitting on rigid surfaces, these are used for the stability of the body so important deeper lying muscles with trained. Besides, it can be used everywhere - at home, in the office or while traveling - and it allows a training of the whole body without additional time expenditure. Expert opinion of Dr. med. Gerrit Sommer, general and sports physician / chirotherapy / naturopathy / team doctor of the German national snowboard team: "Due to its functional shape and dynamic adjustment, the Dynair ball cushion can prevent back problems caused by sitting in motion. By the moved sitting, torso stabilizing muscles are activated, balance trained and static bad posture when sitting." Tip: "The ball pillow XL is really perfect, because I have no room for a big ball. The first time you do it, all you feel is this wobbly thing underneath you. But after a short time you get used to the new feeling and notice: Something is happening to my body! I sit more upright, I always balance something out and feel my back muscles. The good feeling of doing something for your health on the side is confirmed by my slowly fading back pain." Tested and recommended by the Forum: Gesunder Rücken - besser leben e.V. and the Federal Association of German Back Schools (BdR) More information here. Technical data: Dimensions: approx. 36 cm diameter Weight:approx. 1150 g Load capacity: approx. 500 kg