Island:65 cm. Exercise ball used especially to yoga, pilates past, the laws fitness, Past, the laws is perfect to back-, stomach and balance exercises. Ball Can also used to to sit on As one ergonomic Correct chair Whereby back and forth especially abs strengthened. Ball used also to babytræning, lining to strength past, the laws Stimulate vestibular, muscle joints sense past, the laws it Visual sense. Worth to know træningbolden have anti burst system , which means To ball not can skip, but to air will leak straight Sa put out, if there had to go hole on ball. - Nb: this ball painter island:65 cm. - Ball delivered in assorted color. - Image is indicative... Note please ball available in 3 sizes, there selected out seedli user height: Island:55 cm used of users with h 178 cm. Specifications goals: island:65 cm. Material: rubber Number: 1 paragraph Nb: delivered without pump Special needs ball will be really good to training of children with Special needs. What can bl.A. Be children with cerebral Palsy, down s syndrome, autism or andré challenges. There is many different fun exercises one can make on Ball, everything after child needs past, the laws challenges. Fool one Coach his child by help to it inflatable ball, will Child bl.A. Strength past, the laws stimulate body sensation, Balance, cross-coordination past, the laws gross motor skills.