Description _x000D_ _x000D_These are hand exercise rings, which through building strength in the fingers, hands, wrist and forearms. Varied activities, including crushing, pinching and extensions, work to improve the dexterity of both the fingers and hands. Perfect for athletes, musicians and physical therapy patients. _x000D_ _x000D_Features _x000D_ _x000D_-Color: as shown _x000D_-Material: Silicone _x000D_-Size: 7.00X7.00X2.00cm/2.75X2.75X0.79in _x000D_-Toughness and elastic to create an integrated molding, to provide resistance to grinding power. _x000D_-With the smooth surface and different strength type, can strengthen hand feeling, anti-slip massage. _x000D_-Designed in round shape, and palm-size convenient storage, home travel can be played. _x000D_-Simply wash the stain and make it look new. Suitable for your hand strength training in home and fitness center. _x000D_-In adoption of the good and premium silicone material, wear resistant and durable for long serving time.Packing list3 x hand gripping rings_x000D_3 x hand gripping balls