+3 +2SPARK Twin Therapy BallKD 6.500ColorYellowBlackBlue Add More Add to CartGo to CheckoutProduct DetailsDimension: 6.5cm X 12.5cm Material: Silica Gel SPARK Double Therapy Ball adopts high quality material and gives a fantastic and comfortable touch feeling. Perfect for training flexibility of fingers against stiffness.Show MoreSPARK Twin Therapy Ball