3 ms·
They are great for the spine! U can do so many small stirs and rolls while you're working. I rotate bt several chairs and standing throughout the day, includi
by chillingeffect 5y ago
They are great for the spine! U can do so many small stirs and rolls while you're working. I rotate bt several chairs and standing throughout the day, including a big blue ball. I would like to get one of those chairs with a halfball, too.