Fitness ball Versatile fitness equipment and healthy sitting. Indispensable for many exercises in fitness, gymnastics and rehabilitation. Healthy sitting: strengthens the muscles, relieves the spine and promotes a healthy sitting posture. Correct ball size: From the floor to the center of the kneecap + 10 cm - the next larger ball size is optimal. At a glance: - 1 x fitness ball, diameter 65 cm, with spare valve - Weight: 1 kg - 1 x suitable hand pump - Colour: gray - Max. load: 180 kg Product safety: - Please note: Not suitable for children under 36 months. - Caution: Use under the direct supervision of adults. - Accident prevention: To prevent accidents resulting from a fall, the ball can be filled with less air during gymnastics exercises. This makes the ball more stable on the ground.