Balance seat ball Boa

Self-balancing car seat and sports ball without internal materials. No rolling, completely shell-free! Thanks to its mix of materials, the seat and the sports ball are self-balancing. The low centre of gravity ensures that the sports ball does not roll when you get up, without any shell or support. There are no solid materials or objects inside the ball. The self-balancing effect is achieved through the different densities of the material. The ball can also be used for a variety of fitness exercises and in therapy, and can be used like any other ball of this type. Whether for a workout at the gym or at home, or simply to sit at the office or school. Features - Material: Special elastic mesh structure - Extremely sturdy: Load test of over 25 seconds with up to 2000 kg - Colour: blue - Ø 45 cm Benefits - Ideal as a seat and sports ball - Very sturdy - No ball shell needed