When used correctly, this high quality anti-burst gym ball can improve and enhance core strength, while working both upper and lower body muscles.
You can use it to improve stability and flexibility. You could also use it as an office chair, so you can strengthen your core and improve your posture while working.
Features:
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85 ( d ) cm
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PVC
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supplied deflated, folded and presented in a cotton drawstring pouch
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it can be inflated at a petrol station or with a gym ball hand pump, available at certain retailers
