• 63mm Hollow Design • Chrome Finish • Perfect for a Pair

These 63mm chrome hollow Chinese exercise balls are great for anyone looking to improve hand strength and dexterity. They're perfect for use at home during a break, at the office during downtime, or even while traveling. Whether you're an elderly person wanting to keep your hands agile, a young professional looking for a stress - reliever, or someone into traditional Chinese fitness methods, these balls are for you.