Ideal for everyday life and in the office - the Sitfit seat cushion - The Sitfit seat cushion enables ergonomic and healthy sitting. Due to the instability, the body is constantly balanced unconsciously - a perfect training for the back and pelvic floor muscles. The relieving and relaxing effect provides pleasant moments and prevents incorrect posture. The amount of air can be easily regulated via a valve using an air pump with needle valve and adapted to your own needs. Whether in the office, at school or at home, you sit better with the Sitfit seat cushion. - Product details - Available in 3 colours: red, blue, black - Height 6.5 cm - Needle valve for air regulation Pump not included - Incl. exercise poster.