Gym ball Spokey Half Fit 65cm green 920939 Gym ball brands Spokey variety every training and will help develop healthy habits. This model is equipped in a surface with protrusions, which will be used for massage and will help stimulate blood circulation.  ball will work also as a seat for axles ;b performing office work. Model with Anti-Burst system which makes in the of a ball a progressive air release which transfers for safety. Pump included in the set. Technical data: · diameter: 65 cm (intended for userów height 166 – 175 cm)· maximum user weight: 200 kg · material: pvc