OPTIMUM ADJUSTMENT TO THE BODY. While other balance pillows are often stiff and uncomfortable, lose air after a short time or deform permanently, our nub pillow is made of a flexible and at the same time durable and stable material that adapts perfectly to your body without changing shape or losing air. And with a nubbed and a smooth side, you can also influence personal seating comfort.^ RELIEF FOR THE SPINE. Thanks to the flexible Balance cushion structure, you can turn any office chair into an ergonomic exercise ball and achieve a comfortable and dynamic sitting experience at all times. This keeps the spine moving and back pain and painful tension are a thing of the past. In addition, you can easily and flexibly adjust the degree of hardness to your personal needs with the enclosed air pump.^ EFFECTIVE STRENGTH AND BALANCE TRAINING. Balance pillow enables effective and flexible strength and balance training anytime and anywhere - whether at home, in the office, when traveling or as a supplement to the gym. In this way, the sports or rehabilitation program can be integrated anytime and anywhere and nothing stands in the way of your training goals.^ IT DOES NOT NEED EXPENSIVE FITNESS CONTRACTS to get healthy and fit, to feel and, above all, to look like this. Our mission is to offer you versatile, high-quality sports equipment for use at home and on the go, which enables you to do an effective full-body workout at any time and place. In this way, the training can be optimally integrated into everyday life and there is more time for the really important things.